func_code_string: #include <bits/stdc++.h>   using namespace std;   void O_o() {     ios::sync_with_stdio(0);     ios_base::sync_with_stdio(0);     cin.tie(0), cout.tie(0);   }   int main() {     O_o();     int x, y;     bool flag;     vector<int> vec;     cin >> x;     y = x;     while (x != 0) {       vec.push_back(x % 10);       x = x / 10;     }     for (int i = 0; i < vec.size(); i++) {       if (vec[i] == 4 || vec[i] == 7)         flag = 1;       else {         flag = 0;         break;       }     }     if (flag)       cout <<  YES ;     else if (y % 7 == 0 || y % 4 == 0 || y == 799 || y == 94 || y == 141)       cout <<  YES ;     else       cout <<  NO ;     return 0;   }   