// This software is subject to the terms of the IBM Jikes Test Suite
// License Agreement available at the following URL:
// http://www.ibm.com/research/jikes.
// Copyright (C) 1996, 1999, International Business Machines Corporation
// and others.  All Rights Reserved.
// You must accept the terms of that agreement to use this software.

import java.io.*;
import java.util.*;
import java.lang.*;

interface I1 {
  public void update();
}

class IVehicle implements I1 {
  int wheelcount;

  public void update() {
     wheelcount++;  /* just do something */
  }

}

interface I3 {
  public int sum();
}

interface I2 extends I3 {
 public int wheels();
 public int setsum(int trip, int load);
}

class ITruck extends IVehicle  implements I2  {
   int maxload;
   int tripcount;
   int width;

   public int sum() {
     return (maxload + tripcount);
    }

   public int wheels() {
     return wheelcount;
    }

  public void update() {
     super.update();
     wheelcount = wheelcount + 3;
  }

  public int setsum(int trip, int load) {
    tripcount = trip;
    maxload = load;
    return (tripcount + maxload);
  }

}

interface I5 {
  public void addWidth(int x);
}

interface I4 extends I5 {
  public int getWidth();
 }


class IWideTruck extends ITruck  implements I4 {
  // int width;

  public int getWidth() {
    return width;
  }
  public void addWidth(int x) {
    width = width + x;
  }

}

class implement {
  public static void main(String args[]) {
    I1 i1;
    I2 i2;
    I3 i3;
    I4 i4;
    I5 i5;
    ITruck t;
    int answer, i;


    t = new ITruck();
    i1 = (ITruck)t;
    i1.update();
    i2 = new ITruck();
    i3 = new ITruck();
    i = ((I2)i3).setsum(3,6);
    ((I1)i3).update();
    answer = i3.sum() + t.wheels();
    i = ((I2)i1).setsum(2,5);
    answer = answer + ((I2)t).sum();
    t = new IWideTruck();
    t.width = 5;
    i4 = (IWideTruck)t;
    i5 = (I5) t;
    if (t instanceof I5) 
      answer = answer + 1;
    i5.addWidth(4);
    i4.addWidth(15);
    answer = answer + i4.getWidth();
    i3 = (I3)i5;    
    answer = answer + i3.sum() + t.setsum(3, 6) + i3.sum();
    System.out.println(answer);
    System.exit(answer);
  }
}