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

namespace yukicoderTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string N = Console.ReadLine();
            string X = Console.ReadLine();
            N = N.Replace(".", "");
            X = X.Replace(".", "");
            int ver = int.Parse(N);
            int judge = int.Parse(X);
            if(judge<=ver)
            {
                Console.WriteLine("YES");
            }
            else
            {
                Console.WriteLine("NO");
            }
        }

    }
}