interface Animal{
    void makeNoise();
}
class Horse implements Animal{
    Long weight=1200L;
    public void makeNoise(){
        System.out.println("vinny");
    }
}
public class lcelandic  extends Horse{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        lcelandic i1=new lcelandic();
        lcelandic i2=new lcelandic();
        lcelandic i3=new lcelandic();
        i3=i1;i1=i2;i2=null;i3=i1;
        
    }
}