Addition of Two Numbers in C++

A simple program of adding the sum of two numbers that I wrote using C++.

I am currently accepting programming work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.

Program Listing

#include <iostream>

#include <string>

#include <stdlib.h>

using namespace std;

main() {

    int sum=0,a=0,b=0;

    char reply;

do {

    system("cls");

    cout << "\t\t Addition of Two Numbers";

    cout << "\n\n";

    cout << "Enter the first value  : ";

    cin >> a;

    cout << "\n";

    cout << "Enter the second value : ";

    cin >> b;

    cout << "\n\n";

       sum =(a+b);

    cout << "The sum of " << a <<" and "

    <<b << " is " << sum <<".";

    cout << "\n\n";

    cout << "Do you want to continue y/n : ";

    cin >> reply;

    if (toupper(reply) == 'N') {

        cout << "\n\n";

        cout << "\t\t Thank You For Using This Software !!!";

        break;

    }

    } while (toupper(reply!='Y'));

    cout << "\n\n";

    system("pause");

}