use std::io::*;

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let p: f64 = itr.next().unwrap().parse().unwrap();
    let q: f64 = itr.next().unwrap().parse().unwrap();

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