#include <bits/stdc++.h>   using namespace std;   int f(int y) {     return y % 400 == 0 ? 2 : y % 100 == 0 ? 1 : y % 4 == 0 ? 2 : 1;   }   int main() {     int n, r = 0, t;     scanf( %d , &n);     t = f(n);     while (r % 7 != 0 || r == 0 || t != f(n)) {       r += f(n);       n++;     }     printf( %d n , n);     return 0;   }   