package yukicoder;
import java.util.Scanner;
public class No159 {
public static void main(String[] args){
	Scanner sc = new Scanner(System.in);
	double p,q;
	p = sc.nextDouble();
	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");
}
}