/* -*- coding: utf-8 -*-
 *
 * 3421.cc:  No.3421 How Many Peaks? - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    int a, b, c, d;
    scanf("%d%d%d%d", &a, &b, &c, &d);
    
    a *= 3, b *= 2;
    if (a != 0 && b * b - 4 * a * c > 0) puts("Yes");
    else puts("No");
  }

  return 0;
}