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Discussion of Problem 1870. Zinium 2

WA 6 ?????
Posted by Михаил 15 Oct 2011 14:33
help
Re: WA 6 ?????
Posted by L.E.O. 19 Oct 2011 01:17
Some tests:

n - answer
15 - No
99 - No
23 - Yes
97 - Yes
16 - No
Re: WA 6 ?????
Posted by Vitaliy Karelin 20 Oct 2011 15:59
thanks
wa20
Posted by BaJIuK 15 Jan 2012 04:25
if you have  WA20 try this tests :)
25 YES
145 YES
9991 YES
9995 YES