using System;

using System.Collections.Generic;

​

class BaconianCipher

{

    public static string EncodeDecode(string text, bool decode = false)

    {

        // Baconian cipher dictionary for encoding

        var baconDict = new Dictionary<char, string>

        {

            {'a', "uuuuu"}, {'b', "uuuul"}, {'c', "uuulu"}, {'d', "uuull"}, {'e', "uuluu"},

            {'f', "uulul"}, {'g', "uullu"}, {'h', "uulll"}, {'i', "uluuu"}, {'j', "uluul"},

            {'k', "ululu"}, {'l', "ulull"}, {'m', "ulluu"}, {'n', "ullul"}, {'o', "ulllu"},

            {'p', "ullll"}, {'q', "luuuu"}, {'r', "luuul"}, {'s', "luulu"}, {'t', "luull"},

            {'u', "luluu"}, {'v', "lulul"}, {'w', "lullu"}, {'x', "lulll"}, {'y', "lluuu"},

            {'z', "lluul"}, {' ', "lllll"}

        };

​

        if (decode)

        {

            // Reverse the baconDict for decoding

            var reverseBaconDict = new Dictionary<string, char>();

            foreach (var kvp in baconDict)

            {

                reverseBaconDict[kvp.Value] = kvp.Key;

            }

​

            text = text.Replace(" ", "");

            string decodedText = "";

​

            for (int i = 0; i < text.Length; i += 5)

            {

                string chunk = text.Substring(i, 5);

                if (reverseBaconDict.ContainsKey(chunk))

                {

                    decodedText += reverseBaconDict[chunk];

                }

                else

                {

                    return "Invalid encoded text";

                }

            }

​

            return decodedText;

        }

        else

        {

            text = text.ToLower();

            string encodedText = "";

​

            foreach (char c in text)

            {

                if (baconDict.ContainsKey(c))

                {

                    encodedText += baconDict[c] + " ";

                }

                else if (c == ' ')

                {

                    encodedText += "lllll ";

                }

            }

​

            return encodedText.Trim();

        }

    }

​

    public static void Main()

    {

        // Example usage

        Console.WriteLine("What would you like to encode using the Baconian Cipher?");

        string textToEncode = Console.ReadLine();

        string encodedText = EncodeDecode(textToEncode);

        Console.WriteLine($"Encoded: {encodedText}");

​

        // Example of decoding (comment out if not needed)

        // string textToDecode = "uulll uuluu ulull ulull ulllu lllll lullu ulllu luuul ulull uuull";

        // string decodedText = EncodeDecode(textToDecode, decode: true);

        // Console.WriteLine($"Decoded: {decodedText}");

    }

}