ALO

#include <iostream>
using namespace std;

int main() {
    int num;
    cout << "Enter a number: ";
    cin >> num;

    if (num % 2 == 0) {
        cout << num << " is even." << endl;
    } else {
        cout << num << " is odd." << endl;
    }

    return 0;
}

Explanation: - #include <iostream>: Includes the input/output stream library in C++ for handling input and output operations. - using namespace std;: Allows the usage of functions and objects in the std namespace without explicitly specifying it. - int main() { ... }: The starting point of execution for the C++ program. - int num;: Declares an integer variable named num to store user input. - cout << "Enter a number: ";: Displays the message asking the user to enter a number. - cin >> num;: Takes user input from the console and stores it in the num variable. - if (num % 2 == 0) { ... } else { ... }: Checks if the number entered by the user is even or odd using the modulo operator %. If the remainder after dividing num by 2 is 0, it's even; otherwise, it's odd. - cout << num << " is even." << endl;: Prints a message indicating that the entered number is even if the condition is true. - cout << num << " is odd." << endl;: Prints a message indicating that the entered number is odd if the condition is false. - return 0;: Indicates the successful termination of the main() function.