Odd and Even Number Generator in C++

I wrote this program to ask the user to give a number and then the program will generate the list of odd and even numbers using C++ as my programming language.

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Sample Program Output

Program Listing

odd_even.cpp

// odd_even.cpp

// Author : Jake Rodriguez Pomperada,MAED-IT

// Date   : December 18, 2019

// Location : Bacolod City, Negros Occidental Philippines

// Email    : jakerpomperada@gmail.com

#include <iostream>

using namespace std;

int main() {

    int a=0;

    

    cout <<"\n\n";

    cout <<"\tOdd and Even Number Generator in C++";

    cout <<"\n\n";

    cout <<"\tEnter a Number :";

    cin >> a ;

    cout <<"\n\n";

    cout <<"\tOdd Numbers";

    cout <<"\n\n";

    cout <<"\t";

    for (int odd=0; odd<=a; odd++) {

       if (odd % 2 != 0) {

                 cout <<" " << odd <<" ";

               }

    

    }

    cout <<"\n\n";

    cout <<"\tEven Numbers";

    cout <<"\n\n";

    cout <<"\t";

    for (int even=0; even<=a; even++) {

       if (even % 2 == 0) {

                 cout <<" " << even <<" ";

               }

    

    }

    cout <<"\n\n";

    cout <<"\tEnd of Program";

    cout <<"\n\n";

    system("pause");

}