UVa 10499 - The Land of Justice

#include <cstdio>

int n;
int main() {
    #ifndef ONLINE_JUDGE
    freopen("in.txt", "r", stdin);
    #endif
    while(scanf("%d", &n) && n>0) {
        if(n==1)
            printf("0%%\n");
        else
            printf("%lld%%\n", (long long)n*25);
    }
    return 0;
}