Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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please can you add professional c++ comments in this code using the // command after each line 

#include <iostream>
using namespace std;


void is_even(int); // Function Prototype


int main(void)
{
  int num;

  cout << "Enter an integer:\n";
  cin >> num;
  cout << "Is " << num << " even?  ";

  is_even(num);

  cout << endl;

  return 0;
}


void is_even(int a)
{

  if (a % 2 == 0)
    cout << "yes";
  else
    cout << "no";
  
   
}

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