Raincast

using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace Raincast
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            string type = @"^(?:Type:\s)(Normal|Warning|Danger)$";
            string source = @"^(?:Source:\s)(\w+)$";
            string forecast = @"^(?:Forecast:\s)([^\.\!\,\?]+)$";

            string input = Console.ReadLine();

            List<string> raincasts = new List<string>();

            string types = "type";

            string currentRainCast = string.Empty;

            while (input != "Davai Emo")
            {
                switch (types)
                {
                    case "type":
                        if (Regex.IsMatch(input, type))
                        {
                            currentRainCast = "(" + Regex.Match(input, type).Groups[1].Value + ")";
                            types = "source";
                        }
                        break;
                    case "source":
                        if (Regex.IsMatch(input, source))
                        {
                            currentRainCast += " " + "***" + " ~ " + Regex.Match(input, source).Groups[1].Value;
                            types = "forecast";
                        }
                        break;
                    case "forecast":
                        if (Regex.IsMatch(input, forecast))
                        {
                            currentRainCast = currentRainCast.Replace("***", Regex.Match(input, forecast).Groups[1].Value);
                            raincasts.Add(currentRainCast);
                            types = "type";
                        }
                        break;
                }
                input = Console.ReadLine();
            }
            foreach (var raincast in raincasts)
            {
                Console.WriteLine(raincast);
            }
        }
    }
}