// VideoRental beta v1.0
// Program calculates the cost of 4 different types of videos and then displays cost after tax
// Copyright John Moses 2002

#include <iostream>

using std::cout;	//program uses cout
using std::cin;		//program uses cin
using std::endl;	//program uses endl

int main()
{
	int nrvp,	//number of new release videos purchased
		rvp,	//number of regular videos purchased
		nrvr,	//number of new release videos rented
		rvr,	//number of regular videos rented
		netsum,	//before tax
		sum;	//grand friggin total

	while ( nrvp != -1){
		cout <<"\nPlease enter number of new releases purchased (-1 to quit): ";
		cin	>>nrvp;
		cout <<"Please enter number of regular videos purchased: ";
		cin	>>rvp;
		cout <<"Please enter number of new releases rented: ";
		cin	>>nrvr;
		cout <<"Please enter number of regular videos rented: ";
		cin	>>rvr;
		netsum = (nrvp * 17) + (rvp * 10) + (nrvr * 4) + (rvr * 2);
		
		if ( netsum < 6 )	
			sum = netsum;
			cout <<endl<<"Customer owes "<<sum;
			cout <<" dollars.\n";
		if ( netsum > 6 )
			sum = netsum+1;
			cout <<endl<<"Customer owes "<<sum;
			cout <<" dollars.\n";
			
		
	}				

	
return 0;
}