import java.util.Scanner;

public class No159 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		double p = sc.nextDouble();
		double q = sc.nextDouble();
		double P1 = (1-p)*q;
		double P2 = p*(1-q)*q;
		
		if(P1 < P2) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		}
	}
}