#include <iostream.h> // The C++ input and output definitions.

void main(void)
{
  // declarations:

   char choice =' '; // A letter chosen by the user

  // executable statements:

  // Starting message:
  cout << "Before the loop.\n";

  // Keep asking the user for keys until he/she enters a "q"
  while (choice != 'q' && choice != 'Q')
    {
      cout << "\nAt the start of the while loop now.\n";

      cout << "Enter a letter: ";
      cin >> choice;

      if (choice == 'q' || choice == 'Q') cout << "Quit is requested.\n";
      else cout << "You pressed the letter: " << choice << endl;

      cout << "Jumping back to the start of the while loop...\n";
    }

  // Print a final message:
  cout << "\nAfter the loop.\n";
}