#include <iostream>                     /* pre-processor directive */
using namespace std;

int main()                              // main function, start of program
{
  int year = 2020;                      // an integer variable declaration and initialization
  char entry;                           // a character variable declaration

  cout << "Welcome to C++ Programming" << year << '\n';  
  cout << "Enter 'x' to quit: ";
  cin >> entry;                         // read input from user

  cout << "Goodbye!\n";			// Goodbye message
  return 0;                             // return value to operating system, exit program
}