//
// Determine if new vehicle meets carbon monoxide emissions standard.
//

#include <iostream>
using namespace std;

const double MAXCO = 3.4; // maximum g/mi of carbon monoxide allowed

int main()
{
   char carClass; // first letter of vehicle class: Compact,
                  // Intermediate, Standard, Luxury
   double coEmitted, // grams of carbon monoxide emitted
          miles; // miles driven during test

   cout << "C(ompact) I(ntermediate) S(tandard) L(uxury)" << endl;
   cout << "Enter vehicle class => ";
   cin >> carClass;
   cout << "Enter amount of carbon monoxide emitted (grams) => ";
   cin >> coEmitted;
   cout << "Enter miles driven => ";
   cin >> miles;

   double coRate = coEmitted / miles; // g/mi of carbon monoxide emitted
   cout << "For class " << carClass <<

   " vehicle, carbon monoxide emission of " << coRate << " g/mi "
   << endl;
   if (coRate <= MAXCO)
      cout << "meets ";
   else
      cout << "exceeds ";
   cout << "permitted emission of " << MAXCO << " g/mi." << endl;

   return 0;
}