// Listing 4.3 - Demonstrating the else keyword
 #include <iostream>

 int main()
 {
     int firstNumber, secondNumber;
     std::cout << "Please enter a big number: ";
     std::cin >> firstNumber;
     std::cout << "\nPlease enter a smaller number: ";
     std::cin >> secondNumber;
     if (firstNumber > secondNumber)
         std::cout << "\nThanks!\n";
     else
         std::cout << "\nOops. The second is bigger!";
     return 0;
 }