interface Planteeter {
	void beskytteSeg();
}

interface Rovdyr {
	void jakt();
}


class Sau implements Planteeter {
	public void beskytteSeg(){
       	  System.out.println("Sauen loper");
	}
}

class Elg implements Planteeter {
	public void beskytteSeg(){
       	System.out.println("Elgen stanger angriperen");
	}
}

class Ulv implements Rovdyr {
	public void jakt(){
       	  System.out.println("Ulven jakter");
	}
}

class Bjorn implements Planteeter, Rovdyr{
	public void beskytteSeg(){
       	  System.out.println("Bjornen klorer angriperen");
	}

	public void jakt(){
       	  System.out.println("Bjornen jakter");
	}
}


class Dyrene {
  public static void main(String[] a){
    Rovdyr [] r = new Rovdyr[2];
    Planteeter [] p = new Planteeter[3];

    r[0] = new Ulv();
    r[1] = new Bjorn();

    p[0] = new Sau();
    Planteeter elg = new Elg();
    p[1] = elg;

    p[2] = (Planteeter) r[1];

    System.out.println("Alle Rovdyr:");
    for(Rovdyr ro: r){
    	ro.jakt();
    }

    System.out.println("Alle planteetere:");
    for(int i = 0; i < p.length; i ++){
    	p[i].beskytteSeg();
    }

  }
}