Krassy_Contact_List

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

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

            string comand = "";

            while (true)
            {
                comand = Console.ReadLine();
                string[] comandInArr = comand.Split(" ").ToArray();

                if (comandInArr[0] == "Add")
                {
                    string contactName = comandInArr[1];

                    if (!contact.Contains(contactName))
                    {
                        contact.Add(contactName);
                    }
                    else if (contact.Contains(contactName))
                    {
                        int index = int.Parse(comandInArr[2]);
                        if (contact.Count > index && index > 0)
                        {
                            contact.Insert(index, contactName);
                        }

                    }
                }
                else if (comandInArr[0] == "Remove")
                {
                    int index = int.Parse(comandInArr[1]);
                    if (contact.Count > index && index > 0)
                    {
                        contact.RemoveAt(index);
                    }
                }
                else if (comandInArr[0] == "Export")
                {
                    int startIndex = int.Parse(comandInArr[1]);
                    int countContacta = int.Parse(comandInArr[2]);
                    if (contact.Count > startIndex && contact.Count >= countContacta)
                    {
                        for (int i = startIndex; i < countContacta; i++)
                        {

                            Console.Write(contact[i] + " ");
                        }
                        Console.WriteLine();
                    }
                    else if (contact.Count > startIndex && contact.Count < countContacta)
                    {
                        for (int i = startIndex; i < contact.Count; i++)
                        {

                            Console.Write(contact[i] + " ");
                        }
                        Console.WriteLine();
                    }

                }
                else if (comandInArr[0] == "Print")
                {
                    string nomralOrReverse = comandInArr[1];
                    if (nomralOrReverse == "Normal")
                    {
                        //for (int i = 0; i < contact.Count; i++)
                        //{

                        //    Console.Write(string.Join("  ", contact[i]));
                        //}
                        Console.WriteLine($"Contacts: {string.Join(" ", contact)}");
                        break;
                    }
                    else if (nomralOrReverse == "Reversed")
                    {
                        //for (int i = contact.Count - 1; i >= 0; i--)
                        //{

                        //    Console.Write(string.Join("  ", contact[i]));
                        //}
                        //break;
                        contact.Reverse();
                        Console.WriteLine($"Contacts: {string.Join(" ", contact)} ");
                        break;
                    }
                }

            }
        }
    }
}