func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a;     cin >> a;     int arr[14] = {4, 7, 44, 47, 74, 77, 444, 447, 474, 477, 744, 747, 774, 777};     int i;     for (i = 0; i < 14; i++) {       if (a % arr[i] == 0) break;     }     if (i < 14) cout <<  YES ;     if (i == 14) cout <<  NO ;     return 0;   }   