ListManipulationBasics

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

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

        String[] input = scanner.nextLine().split("\\s+");
        List<Integer> numbers = new ArrayList<>();
        for (int i = 0; i < input.length; i++) {
            numbers.add(Integer.parseInt(input[i]));
        }

        String inputLine = scanner.nextLine();

        while (!"end".equals(inputLine)) {
            String[] tokens = inputLine.split("\\s+");

            switch (tokens[0]) {
                case "Add":
                    int numberToAdd = Integer.parseInt(tokens[1]);
                    numbers.add(numberToAdd);
                    break;
                case "Remove":
                    int numberToRemove = Integer.parseInt(tokens[1]);
                    numbers.remove((Object)numberToRemove);
                    break;
                case "RemoveAt":
                    int indexToRemove = Integer.parseInt(tokens[1]);
                    numbers.remove(indexToRemove);
                    break;
                case "Insert":
                    int numberToInsert = Integer.parseInt(tokens[1]);
                    int atGivenIndex = Integer.parseInt(tokens[2]);
                    numbers.add(atGivenIndex, numberToInsert);
                    break;

            }


            inputLine = scanner.nextLine();
        }

        System.out.println(numbers.toString().replaceAll("[\\[\\],]", ""));
    }
}