import java.beans.IntrospectionException;
import java.util.*;

class Main {
	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");
		}
	}
}