import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double p = sc.nextDouble();
        double q = sc.nextDouble();
        double p1 = (1 - p) * q;
        double p2 = p * (1 - q) * q;
        if (p1 < p2) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}