Edited by author 24.08.2006 17:55

On the 11-(10-1)th of Febr(10-2)uary, 2006(10-3) the conte(10-4)st "Timus (10-5)Top Coders(10-6): First Ch(10-7)allenge" i(10-8)s held!
This exemple is wrong,isn't it?
Problem №1427