Last Stop

package com.company;


import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] input = scanner.nextLine().split(" +");
        List<Integer> numbers = new ArrayList<>();
        for (int i = 0; i < input.length; i++) {
            numbers.add(Integer.valueOf(input[i]));
        }

        String command = scanner.nextLine();
        while (!command.equals("END")) {
            String[] tokens = command.split(" +");
            String instruction = tokens[0];

            if (instruction.contains("Insert")) {
                int paintingNumber = Integer.valueOf(tokens[2]);
                int index = Integer.valueOf(tokens[1]) + 1;
                if (index >= 0 && index < numbers.size()) {
                    numbers.add(index, paintingNumber);

                }
            } else if (instruction.contains("Switch")) {
                for (int i = 0; i < numbers.size(); i++) {
                    int switchNumberFirst = Integer.valueOf(tokens[1]);
                    int index1 = numbers.indexOf(switchNumberFirst);
                    int switchNumberSecond = Integer.valueOf(tokens[2]);
                    int index2 = numbers.indexOf(switchNumberSecond);


                    if (numbers.contains(switchNumberFirst) && numbers.contains(switchNumberSecond)) {

                        Collections.swap(numbers, index1, index2);
                        break;
                    }
                }

            } else if (instruction.contains("Hide")) {
                int numberToRemove = Integer.valueOf(tokens[1]);
                int indexOfNumberToRemove = numbers.indexOf(numberToRemove);
                if (numbers.contains(numberToRemove)) {
                    numbers.remove(indexOfNumberToRemove);
                }

            } else if (command.contains("Reverse")) {
                Collections.reverse(numbers);
            } else if (command.contains("Change")) {
                int numberToChange = Integer.valueOf(tokens[1]);
                int indexOfNumberToChange = numbers.indexOf(numberToChange);
                int newNumber = Integer.valueOf(tokens[2]);
                if (numbers.contains(numberToChange)) {
                    numbers.set(indexOfNumberToChange, newNumber);
                }
            }

            command = scanner.nextLine();
        }
        for (Integer number : numbers) {
            System.out.print(number + " ");
        }


    }


}