#include <iostream>
    using namespace std;
    class Example
    {
        int value1, value2, value3;
        public:
        int get()
	{
            value1 = 100;
            value2 = 350;
            value3 = 450;
	}
        friend float Average(Example obj);
    };
    float Average(Example obj)
    {
        return float(obj.value1 + obj.value2 + obj.value3) / 3;
    }
    int main()
    {
        Example object;
        object.get();
        cout << Average(object);
        return 0;
    }