import java.util.Scanner;

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