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

void solve() {
    int A, B, C, D;
    cin >> A >> B >> C >> D;
    if (A == 0) {
        cout << "No" << endl;
    } else if (B * B - 3 * A * C > 0) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
}

int main() {
    int T;
    cin >> T;
    for (int i = 0; i < T; i++) {
        solve();
    }
}