Trace: 
What will be the output of the following program if the user types in:
1, 2 3, 4, 5, -1, 7, 8, -1, 9
                                                                        
import tio.*;

class T1
{
    public static final int SIZE = 10;
    public static void main (String [] argv)
    {
        IntegerList list = new IntegerList ();
        int i, temp;
        System.out.println("Enter a list of ten non-negative integers");
        for (i = 0; i < SIZE; i++)
        {
            System.out.print("Enter non-negative integer: ");
            temp = Console.in.readInt ();
            try
            {
                list.add(temp);
            }
            catch (NegativeNumberException e)
            {
                System.out.println(e.getMessage());
            }
            finally
            {
                System.out.println("Next number");
            }
        }
    }
}

class IntegerList
{
    private int list [];
    private int index = 0;
    public IntegerList ()
    {
        list = new int [10];
    }

    public void add (int no) throws NegativeNumberException
    {
        if (no < 0)
            throw new NegativeNumberException ("No. must be >= 0");
        list[index] = no;
        index++;
    }
}
class NegativeNumberException extends Exception
{
    public NegativeNumberException ()
    {
        super ();
    }

    public NegativeNumberException (String s)
    {
        super (s);
    }

}