The Land of Justice

http://acm.hust.edu.cn/vjudge/contest/view.action?cid=29592#problem/J

// File Name: bo_jwolf10.cpp// Author: rudolf// Created Time: 2013年08月19日 星期一 20:02:19#include<vector>#include<list>#include<map>#include<set>#include<deque>#include<stack>#include<bitset>#include<algorithm>#include<functional>#include<numeric>#include<utility>#include<sstream>#include<iostream>#include<iomanip>#include<cstdio>#include<cmath>#include<cstdlib>#include<cstring>#include<ctime>using namespace std;int main(){long long  n ;double s ;while( cin >> n ){if( n < 0 )break ;if( n == 0 ){s = 0 ;}else if( n == 1 ){s = 50 ;}else{s = n * 25 ;}printf( "%.0lf" , s ) ;cout << "%" << endl ;}return 0;}