кракен рабочее зеркало
http://bdgit.educoder.net/gloriahester31/1015885/wiki/%D0%9F%D0%BE%D1%87%D0%B5%D0%BC%D1%83-%D0%9A%D0%A0%D0%90%D0%9A%D0%95%D0%9D-%E2%80%94-%D1%8D%D1%82%D0%BE-%D0%B2%D1%8B%D0%B1%D0%BE%D1%80-%D0%B2%D0%BD%D0%B5-%D0%B0%D0%B6%D0%B8%D0%BE%D1%82%D0%B0%D0%B6%D0%B0
