03. Wizard Poker

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

namespace Exam_03
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> myList = Console.ReadLine()
              .Split(":")
              .ToList();

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

            string input = Console.ReadLine();

            while (input != "Ready")
            {
                string[] actions = input.Split(" ");
                string command = actions[0];

                if (command == "Add")
                {
                    string nameCard = actions[1];

                    if (myList.Contains(nameCard))
                    {
                        newList.Add(nameCard);
                    }
                    else
                    {
                        Console.WriteLine("Card not found.");
                    }
                }
                else if (command == "Insert")
                {
                    string name = actions[1];
                    int index = int.Parse(actions[2]);

                    if (index >= 0 && index < myList.Count)
                    {
                        if (myList.Contains(name))
                        {
                            newList.Insert(index, name);
                        }
                        else
                        {
                            Console.WriteLine("Error!");
                        }
                    }
                    else
                    {
                        Console.WriteLine("Error!");
                    }
                }
                else if (command == "Remove")
                {
                    string cardName = actions[1];

                    if (newList.Contains(cardName))
                    {
                        newList.Remove(cardName);
                    }
                    else
                    {
                        Console.WriteLine("Card not found.");
                    }
                }
                else if (command == "Swap")
                {
                    string firstWord = actions[1];
                    string secondWord = actions[2];

                    if (newList.Contains(firstWord) && secondWord.Contains(secondWord)) // dali syshestvuwat dumite
                    {
                        int firstWordInex = newList.IndexOf(firstWord);
                        int secondtWordInex = newList.IndexOf(secondWord); // namirame na koi index sa dumite

                        newList[firstWordInex] = secondWord;
                        newList[secondtWordInex] = firstWord;
                    }
                }
                else if (command == "Shuffle")
                {
                    if (actions[1] == "deck")
                    {
                        newList.Reverse();
                    }

                }

                input = Console.ReadLine();
            }

            Console.WriteLine(string.Join(" ", newList));
        }
    }
}