fn main() {
    let mut pq = String::new();
    std::io::stdin().read_line(&mut pq).ok();
    let pq: Vec<f64> = pq.split_whitespace().flat_map(str::parse).collect();

    if (1. - pq[0]) * pq[1] < pq[0] * (1. - pq[1]) * pq[1] {
        println!("YES");
    } else {
        println!("NO");
    }
}