interface A
{
    void S();
    void P();
    default void L()
    {
        System.out.println("hii baby");
    }
}
class D implements A
{
    public void S()
    {
        System.out.println("class D");
    }
    public void P()
    {
        System.out.println("class P");
    }
}
class p
{
    public static void main(String[] args)
    {
        D r= new D();
        r.S();
        r.P();
        r.L();
    }
}