// Part1_functions.cpp : Defines the entry point for the console application.
//

//#include "stdafx.h"
#include <iostream> 
#include <string>
//#include "functions.h"
using namespace std;

//double add(double x, double y);

//double add(double x, double y, double z);

double add(double x, double y) //The function which takes two doubles and return double
{

	return x + y; // operation and return inside the function
}

//double add(double x, double y, double z) //The function which takes two doubles and return double
//{

//	return x + y + z; // operation and return inside the function
//}


int main() {
	int a = 3;
	int b = 4;
	cout << "The summ is equal to " << add(a, b) << endl;

	//double d1 = add(1.2, 3.4);
	//double d2 = add(1.2, 3.4, 5.7);
	//cout << "The summ of 2 numbers is equal to " << d1 << endl;

	//cout << "The summ of 3 numbers is equal to " << d2 << endl;
	system("pause");
	return 0;
	
}