#include <iostream>
    using namespace std;
    class Car 
    {
        public:
        int Lamborghini;
        int Audi;
    };
    int count_CarType(Car * begin, Car * end, int Car :: *CarType)
    {
        int count = 0;
        for (Car * iterator = begin; iterator != end; ++ iterator)
            count += iterator ->* CarType;
        return count;
    }
    int main()
    {
        Car CarArray[5] = {{ 4, 2 },{ 6, 1 }};
        cout << "I have " << count_CarType(CarArray, CarArray + 2, & Car :: Lamborghini) << " Lamborghini.\n";
        cout << "And I have " << count_CarType(CarArray, CarArray + 2, & Car :: Audi) << " Audi.";
        return 0;
    }