Last_Stop_MidExam_Lists_10thOfMarch2019

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

namespace Last_Stop_MidExam_Lists_10thOfMarch2019
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> paintingNums = Console.ReadLine()
                .Split(" ")
                .Select(x => int.Parse(x))
                .ToList();

            string instruction = Console.ReadLine();

           // List<int> reversedPaintingNums = new List<int>();

            while (instruction != "END")
            {
                string[] splitedCommand = instruction.Split(" ");
                string command = splitedCommand[0];

                if (command == "Change")
                {
                    int paintingNum = int.Parse(splitedCommand[1]);
                    int changedNum = int.Parse(splitedCommand[2]);

                   // for (int i = 0; i < paintingNums.Count; i++)
                    //{
                        if (paintingNums.Contains(paintingNum)) //&& paintingNums.Contains(changedNum))
                        {
                            // paintingNum = changedNum;
                            int indexOf1 = paintingNums.IndexOf(paintingNum);
                            // int indexOf2 = paintingNums.IndexOf(changedNum);

                            paintingNums[indexOf1] = changedNum;
                           // paintingNums[indexOf2] = paintingNum;
                        }
                   // }

                }
                else if (command == "Hide")
                {
                    int paintingNum = int.Parse(splitedCommand[1]);

                    //for (int i = 0; i < paintingNums.Count; i++)
                  //  {
                        if (paintingNums.Contains(paintingNum))
                        {
                            paintingNums.Remove(paintingNum);
                        }
                   // }
                }
                else if (command == "Switch")
                {
                    int paintingNum = int.Parse(splitedCommand[1]);
                    int paintingNumSec = int.Parse(splitedCommand[2]);

                  //  for (int i = 0; i < paintingNums.Count; i++)
                   // {
                        if (paintingNums.Contains(paintingNum) && paintingNums.Contains(paintingNumSec))
                        {
                            int indexOf1 = paintingNums.IndexOf(paintingNum);
                            int indexOf2 = paintingNums.IndexOf(paintingNumSec);

                            paintingNums[indexOf1] = paintingNumSec;
                            paintingNums[indexOf2] = paintingNum;
                        }
                   // }
                }
                else if (command == "Insert")
                {
                    int place = int.Parse(splitedCommand[1]) + 1;
                    int paintingNum = int.Parse(splitedCommand[2]);
                   // for (int i = 0; i < paintingNums.Count; i++)
                    //{
                        if (place > 0 && place <= paintingNums.Count)
                        {
                            paintingNums.Insert(place, paintingNum);
                        }
                    //}

                }
                else if (command == "Reverse")
                {
                    paintingNums.Reverse();
                }

                instruction = Console.ReadLine();
            }

            if (instruction == "END")
            {
                Console.WriteLine(string.Join(" ", paintingNums));
            }
        }
    }
}