#include <cstdlib> 
#include <ctime> 
#include <iostream>
using std::cout;
int main( ) {
  // srand will set a random starting point for rand()
  // We use the time as a seed, as it's always changing
  srand( ( unsigned )time( 0 ) ); 
  // We generate a random number between 0 and 4013
  // 4013 because ( 22423 * 4013 => 89983499 and
  // 89983499 + 10016486 => 99999985 - our max value )
  int randomKey = rand() % 4013; 
  // Output the generated key and don't immediately close the command prompt window
  cout << "Your random key is: ABC" << ( 10016486 + ( randomKey * 22423 ) ) << "\n"; 
  system( "PAUSE" );
  return 0;
}