#include <iostream>
    using namespace std;
    class BaseClassA
    {
        protected:
        int FirstData;
        public:
        BaseClassA()
        {
            FirstData = 150;
        }
        ~BaseClassA()
        {
        }
        int FirstFunction()
        {
            return FirstData;
        }
    };
    class BaseClassB
    {
        protected:
        int SecondData;
        public:
        BaseClassB()
        {
            SecondData = 250;
        }
        ~BaseClassB()
        {
        }
        int SecondFunction()
        {
            return SecondData;
        }
    };
    class DerivedClass : public BaseClassA, public BaseClassB
    {
        int ThirdData;
        public:
        DerivedClass() 
        {
            ThirdData = 350;
        }
        ~DerivedClass()
        {
        }    
        int Function()
        {
            return (ThirdData + FirstData + SecondData);
        }
    };
    int main()
    {
        BaseClassA FirstObject;
        BaseClassB SecondObject;
        DerivedClass ThirdObject;
        cout << ThirdObject.BaseClassA :: FirstFunction() << endl;
        cout << ThirdObject.BaseClassB :: SecondFunction() << endl;
        return 0;
    }