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