02. Fitness Visitors

using System;
using System.Collections.Generic;

namespace _03._Word_Game
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string row = Console.ReadLine();

            string [] arrayNames = row.Split(", ");
            List<string> names = new List<string>();

            foreach (string name in arrayNames)
            {
                names.Add(name);
            }

            String command = Console.ReadLine();

            while (command != "END")
            {
                if (command == "Add visitor")
                {
                    String newName = Console.ReadLine();
                    names.Add(newName);
                }
                else if (command == "Add visitor on position")
                {
                    String name = Console.ReadLine();
                    int index = int.Parse(Console.ReadLine());
                    names.Insert(index, name);

                }
                else if (command == "Remove visitor on position")
                {
                    int index = int.Parse(Console.ReadLine());
                    names.RemoveAt(index);

                }
                else if (command == "Remove last visitor")
                {
                    names.RemoveAt(names.Count - 1);
                }
                else if (command == "Remove first visitor")
                {
                    names.RemoveAt(0);
                }

                command = Console.ReadLine();
            }


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