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

namespace CompetitiveProgramming
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var a = Console.ReadLine().ToList();
            var b = Console.ReadLine().ToList();

            foreach (var item in b)
            {
                int n = a.IndexOf(item);
                if(n >= 0) a.RemoveAt(n);
            }
            Console.WriteLine(a.Count == 0 ? "YES" : "NO");
        }
    }
}