5

using System;
using System.Linq;
using System.Text;
using System.Numerics;

namespace ExamPreparation
{
    public sealed class Preparation
    {
        public static void Main()
        {
            string[] input = Console.ReadLine().Split();
            string firstToken = input[0];
            string secondToken = input[1];

            bool areMagical = AreExchangeableWords(firstToken, secondToken);

            if (areMagical)
            {
                Console.WriteLine("true");
            }
            else
            {
                Console.WriteLine("false");
            }
        }

        private static bool AreExchangeableWords(string firstToken, string secondToken)
        {
            char[] uniqueFirstTokens = firstToken.Distinct().ToArray();
            char[] uniqueSecondTokens = secondToken.Distinct().ToArray();

            if (uniqueFirstTokens.Length == uniqueSecondTokens.Length)
            {
                return true;
            }

            return false;
        }
    }
}