Tsem_account

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

namespace Tseam_account
{
    class Program
    {
        static void Main(string[] args)
        {

            List<string> games = Console.ReadLine().Split(' ').ToList();
            while (true)
            {
                string input = Console.ReadLine();
                if (input == "Play!")
                {
                    break;
                }
                string[] tokens = input.Split(' ').ToArray();
                if (tokens[0] == "Install")
                {
                    if (!games.Contains(tokens[1]))
                    {
                        games.Insert(games.Count, tokens[1]);
                    }
                }
                if (tokens[0] == "Uninstall")
                {
                    if (games.Contains(tokens[1]))
                    {
                        games.Remove(tokens[1]);
                    }
                }
                if (tokens[0] == "Update")
                {
                    if (games.Contains(tokens[1]))
                    {
                        games.Remove(tokens[1]);
                        games.Insert(games.Count, tokens[1]);
                    }
                }
                if (tokens[0] == "Expansion")
                {
                    string[] splited = tokens[1].Split('-').ToArray();
                    string game = splited[0];
                    string expansion = splited[1];
                    if (game.Contains('-') == true || expansion.Contains('-') == true)
                    {
                        continue;
                    }
                    else if (games.Contains(game))
                    {
                        int index = games.IndexOf(game);
                        games.Insert(index + 1, game + ":" + expansion);
                    }
                }
            }
            Console.WriteLine(string.Join(" ", games));
        }
    }
}