Last Stop

package com.company;

import java.util.*;
import java.util.stream.Collectors;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class LastStop {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
//        String [] inputNums = scanner.nextLine().split(" ");
//        List <Integer> numbersPainting = new ArrayList<>();
//
//        for (int i = 0; i < inputNums.length; i++) {
//            numbersPainting.add(Integer.parseInt(inputNums[i]));
//        }

         List <Integer> numbersPainting = Arrays.stream(scanner.nextLine().split("\\s+")).map(Integer::parseInt).collect(Collectors.toList());

        String input = scanner.nextLine();

        while (!input.equals("END")) {
            String [] command = input.split("\\s+");

            switch (command[0]) {
                case "Change":
                int firstValue = Integer.parseInt(command[1]);
                int changedValue = Integer.parseInt(command[2]);
                if (numbersPainting.contains(firstValue)) {
                    int indexFirstValue = numbersPainting.indexOf(firstValue);

                    numbersPainting.set(indexFirstValue, changedValue);
                }

                    break;
                case "Hide":
                    int numPaintToHide = Integer.parseInt(command[1]);

                    if (numbersPainting.contains(numPaintToHide)) {
                        numbersPainting.remove(Integer.valueOf(numPaintToHide));
                    }
                    break;
                case "Switch":
                    int firstNum = Integer.parseInt(command[1]);
                    int secondNum = Integer.parseInt(command[2]);

                    if (numbersPainting.contains(firstNum) && numbersPainting.contains(secondNum)) {
                        int indexOne = numbersPainting.indexOf(firstNum);
                        int indexTwo = numbersPainting.indexOf(secondNum);

                        int valueOne = numbersPainting.get(indexOne);
                        int valueTwo = numbersPainting.get(indexTwo);

                        numbersPainting.add(indexOne, valueTwo);
                        numbersPainting.add(indexTwo, valueOne);
                    }
                    break;
                case "Insert":
                    int index = Integer.parseInt(command[1]);
                    int paintingNum = Integer.parseInt(command[2]);

                    if (index+1<numbersPainting.size()) {
                        numbersPainting.add(index+1, paintingNum);
                    }
                    break;

                case "Reverse":
                    Collections.reverse(numbersPainting);
                    break;
                default:

            }
            input = scanner.nextLine();
        }

        for (int i = 0; i < numbersPainting.size(); i++) {
            System.out.print(numbersPainting.get(i) + " ");
           // System.out.println(numbersPainting.toString().replaceAll("[\\[\\],]", ""));
        }
    }
}