using System;
using System.Collections.Generic;

class program
{
    public static void Main()
    {
        var str = Console.ReadLine().Split(' ');
        var p = double.Parse(str[0]);
        var q = double.Parse(str[1]);

        var P_1 = (1.0 - p) * q;
        var P_2 = (1.0 - q) * p * q;

        if (P_1 < P_2)
        {
            Console.WriteLine("YES");
        }
        else
        {
            Console.WriteLine("NO");
        }
    }
}