hjhgkjhkjh

taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught taught