func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a[200];     int t, n, x;     for (int i = 0; i <= 100; i++) a[i] = 0;     for (int i = 0; i <= 100; i++)       for (int j = 0; j <= 100; j++) {         t = 3 * i + 7 * j;         if (t > 100) break;         a[t] = 1;       }     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> x;       if (a[x] == 0) cout <<  NO  << endl;       if (a[x] == 1) cout <<  YES  << endl;     }     return 0;   }   