What is the Expected Output

class Person {

private:

    int age;

public:

    Person(int a) {

        age = a;

    }

age = 25;

    void setAge(int age) {

        age = age;

    }

    void PrintAge() {

        cout << "Age: " << age << endl;

    }

};

int main() {

    Person Ahmed(20);

    Ahmed.setAge(25);

    Ahmed.PrintAge();

}