import java.util.*;

public class Run {
    public static void main (String arg[]) {
        Scanner scan = new Scanner(System.in);
        float p, q, P1, P2;
        p = scan.nextFloat();
        q = scan.nextFloat();
        P1 = (1 - p) * q;
        P2 = p * (1 - q) * q;
        String ans = "NO";
        if (P1 < P2) ans = "YES";
        System.out.println(ans);
    }
}