using System;

using System.Collections.Generic;                   

public class Program

{

    public static void Main()

    {

            Console.WriteLine("Введите незашифрованное сообщение");

            Dictionary<char, String> morse = new Dictionary<char, String>()

            {

                {'A' , ".-"},

                {'B' , "-..."},

                {'C' , "-.-."},

                {'D' , "-.."},

                {'E' , "."},

                {'F' , "..-."},

                {'G' , "--."},

                {'H' , "...."},

                {'I' , ".."},

                {'J' , ".---"},

                {'K' , "-.-"},

                {'L' , ".-.."},

                {'M' , "--"},

                {'N' , "-."},

                {'O' , "---"},

                {'P' , ".--."},

                {'Q' , "--.-"},

                {'R' , ".-."},

                {'S' , "..."},

                {'T' , "-"},

                {'U' , "..-"},

                {'V' , "...-"},

                {'W' , ".--"},

                {'X' , "-..-"},

                {'Y' , "-.--"},

                {'Z' , "--.."},

                {'0' , "-----"},

                {'1' , ".----"},

                {'2' , "..---"},

                {'3' , "...--"},

                {'4' , "....-"},

                {'5' , "....."},

                {'6' , "-...."},

                {'7' , "--..."},

                {'8' , "---.."},

                {'9' , "----."},

                {' ', " "}

            };

        string s = Console.ReadLine();

        s=s.ToUpper();

        string res = "";

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

            {

                char c = s[i];

                if (morse.ContainsKey(c))

                    res+=morse[c]+" ";

            }

        Console.WriteLine(res);

        Console.WriteLine("Введите зашифрованное сообщение");

        Dictionary<String,char> morse1 = new Dictionary<string,char>();

        foreach(var p in morse) { morse1.Add(p.Value,p.Key);  }

        s = Console.ReadLine();

        string[] s1 = s.Split(' ');

        res = "";

        for(int i =0; i<s1.Length; i++)

        {

            string z = s1[i];

            if (morse1.ContainsKey(z)) { res+=morse1[z]; }

        }

        Console.WriteLine(res);

    }

}