public class Bauernhof
{
    public static void main(String[] args)
    {
			Soundkulisse h = new Hund();
			
			Soundkulisse s = new Schwein();
		
			LaermAmBauernhof.los(h);
			LaermAmBauernhof.los(s);

    }

    
}


class LaermAmBauernhof
{
    public static void los(Soundkulisse s)
    {
			eprog.EprogIO.println(s.gibLaut());
    }
}