#include <iostream>

using namespace std;

enum ColorT {NO_COLOR, RED, GREEN, BLUE};

int main() {
   ColorT front, back;

   back = RED;
   // this will fail
   //  front = back++;
   
   front = static_cast <ColorT> (back + 1);

   cout << "Front is " << front << endl;

   if (front < back) {
      cout << "Front is smaller " << endl;
   } else {
      cout << "Back is smaller" << endl;
   }

   // This next bit will throw a fit.
   
 /*  cout << "Enter a color : ";
   cin >> front;
 */ 

   return 0;
}