SoftUni Fundamentals - Nikulden's meals

using System;
using System.Collections.Generic;
using System.Linq;

namespace Dictionary___Nikulden_s_meals
{
    class Program
    {
        static void Main(string[] args)
        {
            var guestList = new Dictionary<string, List<string>>();
            int count = 0;

            while (true)
            {
                string input = Console.ReadLine();
                if (input == "Stop")
                {
                    break;
                }

                string[] tokens = input.Split("-");
                string command = tokens[0];
                string guest = tokens[1];
                string meal = tokens[2];

                switch (command)
                {
                    case "Like":
                        if (!guestList.ContainsKey(guest))
                        {
                            guestList.Add(guest, new List<string>());
                        }
                        if (!guestList[guest].Contains(meal))
                        {
                            guestList[guest].Add(meal);
                        }
                        break;

                    case "Unlike":
                        if (!guestList.ContainsKey(guest))
                        {
                            Console.WriteLine($"{guest} is not at the party.");
                        }
                        else if (guestList[guest].Contains(meal))
                        {
                            Console.WriteLine($"{guest} doesn't like the {meal}.");
                            guestList[guest].Remove(meal);
                            count++;
                        }
                        else
                        {
                            Console.WriteLine($"{guest} doesn't have the {meal} in his/her collection.");
                        }
                        break;
                }
            }

            guestList = guestList.OrderByDescending(x => x.Value.Count)
                .ThenBy(x => x.Key)
                .ToDictionary(x => x.Key, y => y.Value);

            foreach (var kvp in guestList)
            {
                Console.Write($"{kvp.Key}: ");
                Console.WriteLine(string.Join(", ", kvp.Value));
            }

            Console.WriteLine($"Unliked meals: {count}");
        }
    }
}