CommandInterpreter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Task2
{
    class CommandInterpreter
    {
        static void Main(string[] args)
        {
            string[] array = Console.ReadLine().Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
            List<string> list = array.ToList();
            string input = Console.ReadLine();

            while (input != "end")
            {
                string[] inputTokens = input.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);

                if (inputTokens[0] == "reverse")
                {
                    int from = int.Parse(inputTokens[2]);
                    int count = int.Parse(inputTokens[4]);

                    if (from < 0 || from >= array.Length || (from + count) > array.Length || count < 0)
                    {
                        Console.WriteLine("Invalid input parameters.");
                        goto Enter;
                    }
                    else
                    {
                        list.Reverse(from, count);
                        array = list.ToArray();
                    }

                }
                if (inputTokens[0] == "sort")
                {
                    int from = int.Parse(inputTokens[2]);
                    int count = int.Parse(inputTokens[4]);
                    if (from < 0 || from >= array.Length || (from + count) > array.Length || count < 0)
                    {
                        Console.WriteLine("Invalid input parameters.");
                        goto Enter;
                    }
                    else
                    {
                        Array.Sort(array, from * 1, count * 1);
                        list = array.ToList();
                    }

                }
                if (inputTokens[0] == "rollLeft")
                {
                    int cnt = int.Parse(inputTokens[1]);
                    if (cnt > 0)
                    {
                        list = list.Skip(cnt).Concat(list.Take(cnt)).ToList();
                        array = list.ToArray();
                    }
                    else
                    {
                        Console.WriteLine("Invalid input parameters.");
                        goto Enter;
                    }

                }
                if (inputTokens[0] == "rollRight")
                {
                    int cnt = int.Parse(inputTokens[1]);
                    if (cnt >= 0)
                    {
                        for (int i = 0; i < cnt % list.Count; i++)
                        {
                            string lastElement = list[list.Count - 1];

                            for (int j = list.Count - 1; j > 0; j--)
                            {
                                list[j] = list[j - 1];
                            }

                            list[0] = lastElement;
                        }
                    }
                    else
                    {
                        Console.WriteLine("Invalid input parameters.");
                        goto Enter;
                    }


                }
                Enter:
                input = Console.ReadLine();
            }

            Console.Write($"[{string.Join(", ", list)}]");

        }
    }
}