ValueReturningAddEvenOddDEMO.cpp

//************************************************************************
// Author: Rolando Carreon
// Date: jan 28 2025
// Language: C++
// Assignment: Demo
// Description: Hello World Program
//************************************************************************

#include<iostream>
using namespace std;

// function protooypes
int add(int, int);
bool isEven(int);



int main()
{
    // declare local variables
    int sum = add (5, 3);
    
    // display the sum
    cout << "The sum is: " << sum << endl;
    
    // display odd/ even for a number
    if( isEven(4) )
        cout << "The number is even.\n";
    else
        cout << "The number is odd.\n";
    
    // display odd/ even for another number
    if( isEven(7) )
        cout << "The number is even.\n";
    else
        cout << "The number is odd.\n";
    
    
    return 0;
}

// function definitions

//function accepts two integer values, sum the caluesm and returns
// the sum of the values
int add(int firstNum, int secondNum)
{
    return firstNum + secondNum;
}

// function that excepts and integer paramater, determines if the value
// is even or odd. if its even return true, if odd return false
bool isEven(int number)
{
    // modulo 2 returns 0 if even, 1 if odd
    return number % 2 == 0;
}