import java.util.*;
import java.io.PrintStream;
import type.lib.*;

public class lab5
{
    public static void main(String args[])
    {
        PrintStream output = new PrintStream(System.out);
        Scanner input = new Scanner(System.in);

        output.println("Initializing...\n");

        List<Integer> bag = new ArrayList<Integer>();

        Iterator<Integer> itr = bag.iterator();

        output.println("Enter any positive integer.  Enter -1 to exit");

        for(int userIn = input.nextInt(); userIn>=0 ; userIn = input.nextInt())
        {
            bag.add(userIn);
        }

        output.println(bag);

        bag.add(1);
        output.println(bag);
        int totalSum = 0;

        for (;itr.hasNext();)
        {
            itr.next();
            output.println(bag);
        }
        output.println(totalSum);



    }
}