Nikuldens Meal

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

namespace _03._Nikulden_s_meals
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            int unlikedMeals = 0;

            Dictionary<string, List<string>> guests = new Dictionary<string, List<string>>();

            while (input!="Stop")
            {
                var tokens = input.Split("-", StringSplitOptions.RemoveEmptyEntries);
                var command = tokens[0];

                if (command=="Like")
                {
                    var guestName = tokens[1];
                    var meal = tokens[2];
                    if (!guests.ContainsKey(guestName))
                    {
                        guests[guestName] = new List<string>();
                    }

                    if (!guests[guestName].Contains(meal))
                    {
                        guests[guestName].Add(meal);
                    }
                    else
                    {
                        continue;
                    }
                }
                else if (command=="Unlike")
                {
                    var guestName = tokens[1];
                    var meal = tokens[2];
                    if (!guests.ContainsKey(guestName))
                    {
                        Console.WriteLine($"{guestName} is not at the party.");


                    }
                    else if (!guests[guestName].Contains(meal))
                    {
                        Console.WriteLine($"{guestName} doesn't have the {meal} in his/her collection.");
                    }
                    else
                    {
                        guests[guestName].Remove(meal);
                        Console.WriteLine($"{guestName} doesn't like the {meal}.");
                        unlikedMeals++;
                    }

                }

                input = Console.ReadLine();
            }

            foreach (var guest in guests.OrderByDescending(x => x.Value.Count).ThenBy(x => x.Key))
            {
                Console.WriteLine($"{guest.Key}: {string.Join(", ",guest.Value)}");

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