func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long n;     cin >> n;     if (n == 47 || n == 74 || n == 477 || n == 477)       cout <<  YES ;     else if (n % 4 == 0 || n % 7 == 0 || n % 47 == 0)       cout <<  YES ;     else       cout <<  NO ;   }   