#include <bits/stdc++.h>   int days(int y) {     if (y % 400 == 0 || (y % 4 == 0 && y % 100 != 0)) {       return 366;     } else {       return 365;     }   }   int main() {     int year, i, d, di, dii;     unsigned long long int count = 0;     scanf( %d , &year);     d = days(year);     di = d;     for (i = year;; i++) {       dii = days(i + 1);       count += di;       if (count % 7 == 0 && d == dii) {         printf( %d n , i + 1);         return 0;       }       di = dii;     }     return 0;   }   