public foo(int n)
{

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            for (int k = 0; k < n; k++)
            {
                System.out.printf("%d, ", i + j + k);
            }

        }
    }

    for (int i = 0; i < 20; i++)
    {
        for (j = 0; j < n; j++)
            System.out.printf("%d, ", j);
    }

    System.out.println("Goodbye");
}