#include <iostream>
using namespace std;
typedef const char * String;
enum Month{JAN=1,FEB,MAC,APR,MAY,JUN,JUL,AUG,SEP,OCT,NOV,DEC};

class AbstractProduct{
public:
	virtual String ShipFrom()=0;
};

class ProductA:public AbstractProduct{
public:
	String ShipFrom(){
        return " from South Africa";
	}
};

class ProductB:public AbstractProduct{
public:
 	String ShipFrom(){
    	return "from Spain";
	}
};

//class DefaultProduct:public AbstractProduct{
//public:
//	String ShipFrom(){
//        return "not available";
//    }
//};

class AbstractCreator {
public:
    virtual AbstractProduct* FactoryMethod(int month)=0;
};

class Creator:public AbstractCreator{
public:
 	AbstractProduct* FactoryMethod(int month){
        switch(month) {
            case JAN:
            case FEB:
            case DEC: return new ProductB();
            case APR:
            case MAY:
            case JUN:
            case JUL:
            case AUG:
            case SEP:
            case OCT:
            case NOV: return new ProductA();
            default : return 0; //return new DefaultProduct();
        }
    }
};

int main(){
    AbstractCreator *c = new Creator();
    for (int m=JAN;m<=DEC;m++){
    	AbstractProduct *product = c->FactoryMethod(m);
    	if (product){
    		cout<<"Avocados "<<product->ShipFrom()<<endl;
      		delete product;
		}
		else cout<<"Avocados  not available"<<endl;
    }
    delete c;
 	return 0;
}