import java.util.*;
public class Usb{
	public static void main(String[] arg){
		double p,q,p1,p2;
		Scanner sc = new Scanner(System.in);
		p = sc.nextDouble();
		q = sc.nextDouble();
		p1 = (1-p)*q;
		p2 = p*(1-q)*q;
		if(p1<p2){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		}
	}
}