using System;
using System.Linq;
using System.Collections.Generic;

public class yukicoder
{

	public static double p1(double p, double q)
	{
		return (1-p) * q;
	}
	
	public static double p2(double p, double q)
	{
		return p * (1-q) * q;
	}

    public static void Main()
    {
    	double[] input = Console.ReadLine().Split(' ').Select(x => double.Parse(x)).ToArray();
    	
    	double p = input[0];
    	double q = input[1];
    	
 		if(p1(p, q) < p2(p, q))
 		{
 			Console.WriteLine("YES");
 		}	
 		else
 		{
 			Console.WriteLine("NO");
 		}
    }
}