Last Stop

using System;
using System.Linq;

namespace P04.Last_Stop
{
    class Program
    {
        static void Main(string[] args)
        {
            var numbers = Console.ReadLine().Split().Select(int.Parse).ToList();
            string cmd;

            while ((cmd = Console.ReadLine()) != "END")
            {
                string[] input = cmd.Split().ToArray();
                string cmd1 = input[0];

                if (cmd1 == "Change")
                {
                    int paintingNumber = int.Parse(input[1]);
                    int changedNumber = int.Parse(input[2]);
                    if (numbers.Contains(paintingNumber))
                    {
                        int number = numbers.IndexOf(paintingNumber);
                        numbers.Insert(number, changedNumber);
                        numbers.Remove(paintingNumber);
                    }
                }
                else if (cmd1 == "Hide")
                {
                    int paintingNumber = int.Parse(input[1]);
                    if (numbers.Contains(paintingNumber))
                    {
                        numbers.Remove(paintingNumber);
                    }
                }
                else if (cmd1 == "Switch")
                {
                    int paintingNumber = int.Parse(input[1]);
                    if (numbers.Contains(paintingNumber))
                    {
                        int paintingNumber1 = int.Parse(input[1]);
                        int paintingNumber2 = int.Parse(input[2]);
                        if (numbers.Contains(paintingNumber) && numbers.Contains(paintingNumber2))
                        {
                            int switch1Index = 0;
                            int switch2Index = 0;
                            for (int i = 0; i < numbers.Count; i++)
                            {
                                if (numbers[i] == paintingNumber1)
                                {
                                    switch1Index = i;
                                }
                                if (numbers[i] == paintingNumber2)
                                {
                                    switch2Index = i;
                                }

                            }
                            numbers.Insert(switch2Index + 1, paintingNumber1);
                            numbers.RemoveAt(switch2Index);
                            numbers.Insert(switch1Index + 1, paintingNumber2);
                            numbers.RemoveAt(switch1Index);
                        }
                    }
                }
                else if (cmd1 == "Insert")
                {
                    int place = int.Parse(input[1]);
                    int paintingNumber = int.Parse(input[2]);
                    if (place > -1 && place < numbers.Count)
                    {
                        numbers.Insert(place + 1, paintingNumber);
                    }
                }
                else if (cmd1 == "Reverse")
                {
                    numbers.Reverse();
                }
            }
            Console.WriteLine(string.Join(" ", numbers));
        }
    }
}