/*****************************************************************/
/* Author: Chang												 */
/* Aim for: CS135 class				   	                         */
/* Problem: The algorithm for showing global and local variables.*/
/*****************************************************************/

#include <iostream>
using namespace std;

int value;       // value is a global variable
      
void print_out_value (); 
int main()
{
    int value2 = 2, value3 = 3; // local to main
    cout << "Enter an integer: " << endl;
    cin >> value;      
    print_out_value ();
    value3 = value + value2 ; //... processing on value, value2, value3
    cout <<"value3 is " << value3 << endl;
    system ("PAUSE");
    return 0;
}	

void print_out_value (){
     int value4 = 4, value5 = 5;   // local to print_out_value
     value = value - value4 + value5; //... processing on value, value4, value5           
     cout <<"value is " << value << endl;
}