#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define repl(i,a,b) for(ll i=(a);i<(b);i++)
#define all(a) (a).begin(),(a).end()

template <typename T> bool chmin(T &a,T b){if(a>b){a=b;return true;} return false;}
template <typename T> bool chmax(T &a,T b){if(a<b){a=b;return true;} return false;}


int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  
  //3ax^2+2bx+c
  //D=b^2-3ac
  int T; cin >> T;
  while(T--){
    int a,b,c,d; cin >> a >> b >> c >> d;
    if(a == 0) cout << "No" << endl;
    else if(b*b>3*a*c) cout << "Yes" << endl;
    else cout << "No" << endl;
  }
}