HornetCom

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.RegularExpressions;

namespace HornetComm
{
    class Program
    {
        static void Main(string[] args)
        {
            SortedDictionary<string, string> privates = new SortedDictionary<string, string>();
            SortedDictionary<string, string> broadcasts = new SortedDictionary<string, string>();
            var privatesRegex = new Regex(@"\b\d+ <-> \b([a-zA-Z0-9]+)");
            var broadcastsRegex = new Regex(@"([^\d]+) <-> ([a-zA-Z0-9]+)?");
            var codes = new List<string>();
            var freqs = new List<string>();
            var line = Console.ReadLine();
            while (true)
            {
                if (line == "Hornet is Green")
                {
                    foreach (var prod in broadcasts)
                    {
                        Console.WriteLine("Broadcasts:");
                        Console.WriteLine("{0}->{1}",prod.Key,prod.Value);
                    }
                    foreach (var privat in privates)
                    {
                        Console.WriteLine("Messages:");
                        Console.WriteLine("{0}->{1}", privat.Key, privat.Value);
                    }
                }
                var input = line.Split(' ').ToList();
                var matchBroadcasdtTrue = broadcastsRegex.Match(line);
                var matchPrivateTrue = privatesRegex.Match(line);
                if (matchBroadcasdtTrue.Success && !broadcasts.ContainsKey(input[0]))
                {
                    broadcasts.Add(input[0], input[2]);
                }
                if (matchPrivateTrue.Success && !privates.ContainsKey(input[0]))
                {
                    privates.Add(input[0], input[2]);
                }
                codes = privates.Keys.ToList();
                freqs = broadcasts.Values.ToList();
                for (int i = 0; i < codes.Count; i++)
                {
                    codes[i] = codes[i].Reverse().ToString();
                    //codes[i] = privates.Keys[i];
                }
                for (int i = 0; i < freqs.Count; i++)
                {
                    var freq = freqs[i];
                    for (int j = 0; j < freq.Length; j++)
                    {
                        if (Char.IsUpper(freq[j]))
                        {
                            Char.ToLower(freq[j]);
                        }
                        else
                        {
                            Char.ToUpper(freq[j]);
                        }
                    }
                }

                input = line.Split(' ').ToList();
            }
            line = Console.ReadLine();
        }
    }
}