func_code_string: #include <bits/stdc++.h>   using namespace std;   int n1;   int i, j;   int main() {     int a[10] = {4, 7, 47, 74, 447, 474, 477, 774, 747, 744};     string n;     cin >> n;     int z = n.length();     stringstream stoi(n);     stoi >> n1;     for (i = 0; i < 10; i++) {       if (n1 % a[i] == 0) {         cout <<  YES ;         return 0;       }     }     cout <<  NO ;     return 0;   }   