/*
    SimpleIO1.cpp
    CIS 150
    Dave Klick
    May 2008

    Very simple C++ I/O using cin and cout.
*/

#include <iostream>
using std::cout;  // used for output
using std::cin;   // used for input
using std::endl;  // newline (and flushes output buffer)

void cout();

int main() {
   // declare variables
   double num1 = 0;
   double num2 = 0;
   double sum = 0;

   // get user input
   cout << "Please enter two numbers: ";
   cin >> num1;
   cin >> num2;

   // do calculations
   sum = num1 + num2;
   
   // display results
   cout << "You entered " << num1 << " and " << num2 << endl;
   cout << "The sum is " << sum << endl;

   cont();
   return 0;
}

void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}