//==============================================================================class Package

class Package{

  private int weight;  //in grams
  private String dest; //destination

  //"magic" country codes/destinations, set as constants
  public static final String CAN = "CAN";
  public static final String USA = "USA";

  public Package(int weight, String dest){
    this.weight = weight;
    this.dest = dest;
  }

 public double cost() {
     return 0.0;
 }

  public int getWeight(){
    return weight;
  }

  public int time() {
    if(getDest().equals(Package.CAN)){
        return 3;
      }
      else if(getDest().equals(Package.USA)){
        return 4;
      }
      else{
        return 6;
      }
  }

  public String getDest(){
    return dest;
  }
  public String toString(){
    return weight + "g," + dest;
  }



}//End class Package


//=========================================================================subclass Overnight
class Overnight extends Package{
  public Overnight(int weight, String dest){
    super(weight,dest);
  }

  public double cost(){
    if(getDest().equals(Package.CAN)){
      return Math.round((3.5*getWeight())*100)/100;
    }
    else{
      return Math.round((5.5*getWeight())*100)/100;
    }
  }

  public int time(){
    return 1;
  }

  public String toString(){
    return "Overnight," + super.toString();
  }
}//End class Overnight


//=========================================================================subclass Priority
class Priority extends Package{
  public Priority(int weight, String dest){
    super(weight,dest);
  }

  public double cost(){
    if(getWeight() <=500){
      return 4.25;
    }
    else if(getWeight() >500 && getWeight() <=1000){
      return 5.75;
    }
    else{
      return 7.00;
    }
  }

  public int time(){
      return super.time();
  }

  public String toString(){
    return "Priority," + super.toString();
  }
}//End class Priority


//=========================================================================subclass Economy
class Economy extends Package{

  private int volume; //volume of package in cm³

  public Economy(int weight, String dest, int volume){
    super(weight,dest);
    this.volume = volume;
  }

  public double cost(){
    if(volume <=10000){
      return 2.50;
    }
    else{
      return 3.25;
    }
  }

  public int time(){
    return super.time() * 3;
  }

  public String toString(){
    return "Economy," + super.toString() + "," + volume + "cm³";
  }
}//End class Priority