// Illustrates the use of a switch statement.  An equivalent program is 
// ifelse.cpp, which uses a chain of if else if.

#include<iostream.h>

void main() {

  char p;

  cout << "Input Y for yes, or N for no: ";
  cin >> p;

  switch (p)
    {
    case 'y':
    case 'Y':
      cout << "YES\n";
      break;
    case 'n':
    case 'N':
      cout << "NO\n";
      break; 
    default:
      cout << "Not a valid reply.\n";
    }

}