#include <iostream>
using namespace std;

// ********************************* // class definition
class Transaction						
{
public:
	Transaction();
	double computeCost();
	int getBooks();
	void setBooks(int);

private:
	int numBooks;
	int numMovies;
};

// ********************************* // client program
int main()
{
	Transaction transaction1;
	transaction1.setBooks(5);
	cout << transaction1.computeCost() << endl;
	return 0;
}

// ********************************* // class implementation
Transaction::Transaction()
{
	numBooks = 0;
	numMovies = 0;
}

double Transaction::computeCost()		
{
	return numBooks * 9.00 + numMovies * 13.99;
}

int Transaction::getBooks()
{
	return numBooks;
}

void Transaction::setBooks(int num)
{
	numBooks = num;
}