func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int a, b, n, s;       cin >> a >> b >> n >> s;       if ((min(s / n, a) * n + b) >= s) {         cout <<  YES  << endl;       } else {         cout <<  NO  << endl;       }     }     return 0;   }   