Remember these numbers

package com.company;


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

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        ArrayList<Integer> numbers = new ArrayList<>();

        while (true) {
            int input = Integer.valueOf(scanner.nextLine());

            if (input == -1) {
                break;
            }
            numbers.add(input);
        }

        for (int i = 0; i < numbers.size(); i++) {
            System.out.println(numbers.get(i));
        }


    }
}