abstract class Contents{
  abstract public int value();
}

interface Destination{
    String readLable();
}
public class Parcel3 {
  private class PContents extends Contents{
      private int i = 11;
      public int value(){
          return i;
      }
  }
  protected class PDestination implements Destination {
      private String label;
      private PDestination(String whereTo){
          label = whereTo;
      }
      public String readLabel(){
          return label;    
      }
  }
  public Destination dest(String s){
      return new PDestination(s);
  }
  public Contents cont(){
      return new PContents();
  }
}

class Testsss {
    public static void main(String[] args){
        Parcel3 p = new Parcel3();
        Contents c = p.cont();
        Destination d = p.dest("Tanzania");
        Parcel3.PDestination s = new PDestination();
    }
}