import java.util.Scanner;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;

class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        double p = in.nextDouble();
        double q = in.nextDouble();

        double a1 = 0.0, a2 = 0.0; // P1とP2

        a1 = (1.0 - p) * q;
        a2 = p * (1.0 - q) * q;

        if(a1 < a2) System.out.println("YES");
        else System.out.println("NO");

        in.close();
    }
}