на някъв гей тъпия код

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

namespace Ex_List_List_Operation
{
    class Program
    {
        public static void Main(string[] args)
        {
            List<int> numbers = Console.ReadLine().Split().Select(int.Parse).ToList();
            string command;

            while ((command = Console.ReadLine()) != "End")
            {
                string[] commandLine = command.Split().ToArray();
                ExecuteCommands(numbers, commandLine);
            }
            Console.WriteLine(String.Join(" ", numbers));

        }
        private static void ExecuteCommands(List<int> numbers, string[] commandLine)
        {
            if (commandLine[0] == "Add")
            {
                numbers.Add(int.Parse(commandLine[1]));
            }
            else if (commandLine[0] == "Remove")
            {
                int index = int.Parse(commandLine[1]);
                if (index >= 0 && index < numbers.Count)
                {
                    numbers.RemoveAt(index);
                }
                else
                {
                    Console.WriteLine("Invalid index");
                }
            }
            else if (commandLine[0] == "Insert")
            {
                int index = int.Parse(commandLine[2]);
                int element = int.Parse(commandLine[1]);

                if (index >= 0 && index < numbers.Count)
                {
                    numbers.Insert(index, element);
                }
                else
                {
                    Console.WriteLine("Invalid index");
                }
            }
            else if (commandLine[0] == "Shift")
            {
                string direction = commandLine[1];
                int count = int.Parse(commandLine[2]);
                ShiftList(numbers, direction, count);
            }
        }
        private static void ShiftList(List<int> numbers, string direction, int count)
        {
            if (direction == "left")
            {
                for (int i = 0; i < count; i++)
                {
                    int tempNumber = numbers[0];
                    numbers.Add(numbers[0]);
                    numbers.RemoveAt(0);
                }
            }
            else if (direction == "right")
            {
                for (int i = 0; i < count; i++)
                {
                    numbers.Insert(0, numbers[numbers.Count - 1]);
                    numbers.RemoveAt(numbers.Count - 1);
                }
            }
        }
    }
}