Last Stop [Mimi]

package RealMID_10_03_19;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class _03_Task {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

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


        String input = scanner.nextLine();

        while (!input.equals("END")) {
            String[] line = input.split(" ");


            switch (line[0]) {
                case "Change":
                    int ind1 = list.indexOf(Integer.parseInt(line[1]));
                    int num = Integer.parseInt(line[2]);

                    if (ind1 != -1) {
                        list.set(ind1, num);
                    }
                    break;
                case "Hide":
                    num = Integer.parseInt(line[1]);
                    int index = list.indexOf(num);
                    if (index != -1) {
                        list.remove(index);
                    }
                    break;
                case "Switch":
                    int index1 = list.indexOf(Integer.parseInt(line[1]));
                    int ind2 = list.indexOf(Integer.parseInt(line[2]));
                    int firstInt = Integer.parseInt(line[1]);
                    int secondInt = Integer.parseInt(line[2]);

                    if (index1 != -1 && ind2 != -1) {
                        list.set(index1, secondInt);
                        list.set(ind2, firstInt);
                    }
                    break;
                case "Insert":
                    int number = Integer.parseInt(line[2]);
                    int indexIns = Integer.parseInt(line[1]) + 1;
                    if (indexIns >= 0 && indexIns <= list.size()) {
                        list.add(indexIns, number);
                   }
                    break;
                case "Reverse":
                    Collections.reverse(list);
                    break;
            }

            input = scanner.nextLine();
        }

        for (Integer integer : list) {
            System.out.print(integer + " ");
        }
    }
}