11. Enter Even Number

#include <iostream>
using namespace std;

int main() {
    int number;

    do
    {
        cout << "Enter even number: ";
        cin >> number;
        if (number % 2 != 0)
        {
            cout << "The number is not even." << endl;
        }
    } while (number % 2 != 0);
    cout << "Even number entered: " << number << endl;
}