import java.util.Scanner;

public class Test {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		double p = sc.nextDouble(), q = sc.nextDouble();
		if((1-p)*q < p*(1-q)*q){
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	}
}