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#include<cstdio>using namespace std;int main(){long long n;scanf("%I64d",&n);if(n == 1) puts("5");else puts("25");return 0;}
[2016-04-14][codeforces][630][A][Again Twenty Five!]
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原文地址:http://www.cnblogs.com/qhy285571052/p/732aee622266d82c99020dfeb6fb7a42.html