use proconio::{fastout, input};

#[fastout]
fn main() {
    input! {
        t: usize,
        testcases: [(i32, i32, i32, i32); t],
    }

    for &(a, b, c, _d) in &testcases {
        let ans = a != 0 && b * b > 3 * a * c;
        println!("{}", if ans { "Yes" } else { "No" });
    }
}