/*
 * Author: Amit Dutta (amitdutta4255@gmail.com) | Date: 22 Jun 2026
 * Repo: https://github.com/notamitgamer/bsc
 * License: MIT
 */

/* check even or odd */

#include <iostream>
using namespace std;
class ooe {
    int n;

public:
    void input();
    void calcdisp();
};

void ooe::input() {
    cout << "Enter the number : ";
    cin >> n;
}

void ooe::calcdisp() {
    if (n == 0) {
        cout << "0 neither a odd or a even number.";
    }
    else if (n % 2 == 0) {
        cout << n << " is a even number.";
    }
    else {
        cout << n << " is a odd number.";
    }
}

int main() {
    ooe a;
    a.input();
    a.calcdisp();
    return 0;
}