Magic_Exchangeable_Words

using System;
using System.Collections.Generic;

namespace MagicExchangeableWords
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] inputWords = Console.ReadLine().Split();
            var word1 = inputWords[0];
            var word2 = inputWords[1];
            //
            HashSet<char> w1 = new HashSet<char>(word1);
            HashSet<char> w2 = new HashSet<char>(word2);
            var isExchangeble = w1.Count == w2.Count ?
                "true" : "false";
            Console.WriteLine(isExchangeble);


        }
    }
}