import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		double p = sc.nextDouble();
		double q = sc.nextDouble();
		sc.close();
		double P1 = (1 - p) * q;
		double P2 = p * (1 - q) * q;
		if (P1 < P2) {
			System.out.println("YES");
			return;
		}
		System.out.println("NO");
	}

}