// This program calculates the charges for video rentals.
// Every third video is free.
#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
   int videoCount = 1;  // Video counter
   int numVideos;       // Number of videos rented
   double total = 0.0;  // Accumulator
   char current;        // Current release, Y or N

   // Get the number of videos.
   cout << "How many videos are being rented? ";
   cin >> numVideos;
   
   // Determine the charges.
   do
   {
      if ((videoCount % 3) == 0)
      {
         cout << "Video #" << videoCount << " is free!\n";
         continue;  // Immediately start the next iteration
      }
      cout << "Is video #" << videoCount;
      cout << " a current release? (Y/N) ";
      cin >> current;
      if (current == 'Y' || current == 'y')
         total += 3.50;
      else
         total += 2.50;
   } while (videoCount++ < numVideos);
   cout << fixed << showpoint << setprecision(2);
   cout << "The total is $" << total;
   return 0;
}