using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    static bool CharactersMatch(string word1, string word2, bool exact=false)

    {

        if (word1.Length != word2.Length)

            return false;

        Dictionary<char, int> occurrences = new Dictionary<char, int>();

        for (int i = 0; i < word1.Length; i++)

        {

            if (!occurrences.ContainsKey(word1[i]))

                occurrences[word1[i]] = 0;

            if (!occurrences.ContainsKey(word2[i]))

            {

                if (exact)

                    return false;

                occurrences[word2[i]] = 0;

            }

            occurrences[word1[i]]++;

            occurrences[word2[i]]++;

        }

        Console.WriteLine(occurrences.Sum(x => x.Value));

        if (occurrences.Sum(x => x.Value) == occurrences.Count * 2)

            return true;

        else    

            return false;

    }

    public static void Main()

    {

        Console.WriteLine(CharactersMatch("cateeeee", "tacee"));

    }

}