using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace yukicoder_159 {
    class Program {
        static void Main(string[] args) {
            string[] s = Console.ReadLine().Split(' ');
            float p, q, p1, p2;
            p = float.Parse(s[0]);
            q = float.Parse(s[1]);
            p1 = (1 - p) * q;
            p2 = p * (1 - q) * q;
            if (p1 < p2) Console.WriteLine("YES");
            else Console.WriteLine("NO");
            Console.ReadLine();
        }
    }
}