/** @file list0501.cpp */
/** Listing 5-1. Demonstrating Input and Output */
#include <iostream>
#include <istream>
#include <ostream>

int main()
{
   std::cout << "Enter a number: ";
   int x;
   std::cin >> x;
   std::cout << "Enter another number: ";
   int y;
   std::cin >> y;

   int z(x + y);
   std::cout << "The sum of " << x << " and " << y << " is " << z << "\n";
}