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

class Program
{
    static string InputPattern = "InputX";

    static List<string> GetInputList()
    {
        var WillReturn = new List<string>();

        if (InputPattern == "Input1") {
            WillReturn.Add("0.80000 0.50000");
            //YES
        }
        else if (InputPattern == "Input2") {
            WillReturn.Add("0.60000 0.50000");
            //NO
        }
        else {
            string wkStr;
            while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
        }
        return WillReturn;
    }

    static void Main()
    {
        List<string> InputList = GetInputList();
        decimal[] wkArr = InputList[0].Split(' ').Select(X => decimal.Parse(X)).ToArray();
        decimal p = wkArr[0];
        decimal q = wkArr[1];

        decimal P1 = (1 - p) * q;
        decimal P2 = p * (1 - q) * q;
        Console.WriteLine(P1 < P2 ? "YES" : "NO");
    }
}