#include <bits/stdc++.h>
using namespace std;
using ll=long long;
int main(){
	int ttt;
	cin>>ttt;
	while(ttt--){
		ll 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;
	}
}