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

#define rep(i, a, b) for (int i = a; i < b; i++)
using ll = long long;

int main(){
	int t;
	cin >> t;
	rep(ti, 0, t) {
		int a, b, c, d;
		cin >> a >> b >> c >> d;
		string ans = "No";
		if(a && 4 * b * b > 4 * 3 * a * c) ans = "Yes";
		cout << ans << endl;
	}
}