/*****************************************************************/
/* Author: Chang												 */
/* Aim for: CS135 class				   	                         */
/* Problem:  Write a program that will read in two numbers from	 */
/* a file named numbers.data and display their sum on the screen.*/ 
/*****************************************************************/

//preprocessor directives
#include <iostream>
#include <fstream>    // include file I/O header
using namespace std;

int main()
{
	  double num1, num2, sum;
	  ifstream fin;   //declare input stream object 
	  fin.open ("numbers.txt");  //open given text file

	  // check if file open successfully: if not, exit the program with "return 1"
	  if (!fin.good())  
	  {
		  cout << "Your input file did not open successfully" << endl;
		  return 1;
	  }
	  else
	  {
		  fin >> num1 >> num2;  // read in two numbers from a file
		  sum = (num1 + num2)/100000; 
		  cout << "\nThe sum of your numbers is " << sum << endl;
		  fin.close();    // close file
	  }

	  system("PAUSE");
	  return 0;

}