Check odd or even in functions in C+++

 CASE 1- Odd Number

#include <iostream>

using namespace std;

int prod(int a, int b) {

    return a * b;

}

// even -> true; odd -> false

bool isEven(int n) {

    if(n % 2 == 0){

        return true;

    } else {

        return false;

    }

}

int main(){

     cout << isEven(19) << endl;

    return 0;

}

OUTPUT-

0

CASE 2- Even Number

Output- > 1