import sys
from functools import reduce
from typing import List, Tuple


def int1(x: str, /): return int(x) - 1


def input(): return sys.stdin.readline().rstrip('\n')


def dbg(*args, **kwargs):
    print(*(repr(arg) for arg in args), *(f'{k}: {repr(v)}' for k, v in kwargs.items()),
          sep='; ', file=sys.stderr, flush=True)


def main():
    t = int(input())
    for _ in range(t):
        a, b, c, d = map(int, input().split())
        d = (2 * b) * (2 * b) - 4 * (3 * a) * c
        print('Yes' if a != 0 and d > 0 else 'No')


def _start():
    ret = main()

    if ret is not None:
        if isinstance(ret, List) or isinstance(ret, Tuple):
            print(*ret)
        else:
            print(ret)


if __name__ == '__main__':
    _start()