fn main() {
    let mut pq = String::new();
    std::io::stdin().read_line(&mut pq).ok();
    let pq: Vec<f64> = pq.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let p = pq[0];
    let q = pq[1];

    let p1: f64 = (1.0 - p) * q;
    let p2: f64 = p * (1.0 - q) * q;
    if p1 < p2 {
        println!("YES");
    } else {
        println!("NO");
    }
}