interface KindWomen{
    void makeEyes();
}

class Pan implements KindWomen{
    @Override
    public void makeEyes() {

    }
}

class Wang implements KindWomen{
    private Pan pan;
    public Wang() {
        this.pan = new Pan();
    }

    @Override
    public void makeEyes() {
        this.pan.makeEyes();
    }
}

public class Xi{
    public static void main(String[] args) {
        Wang w = new Wang();
        w.makeEyes();
    }
}