#include <bits/stdc++.h>
using namespace std;

using i32 = int;
using i64 = long long;
using i128 = __int128_t;
using f64 = double;
using p2 = pair<i64, i64>;
using el = tuple<i64, i64, i64>;

void _main();
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(18);
  _main();
}

void _main() {
  i64 tt;
  cin >> tt;
  for (;tt--;) {
    i64 a, b, c, d;
    cin >> a >> b >> c >> d;
    if (a == 0) {
      cout << "No\n";
      continue;
    }
    if (a < 0) {
      a = -a, b = -b, c = -c, d = -d;
    }
    if (-(b * b) + 3 * a * c < 0) {
      cout << "Yes\n";
    } else {
      cout << "No\n";
    }
  }
}