#include <iostream>
#include <cstdlib>
using namespace std;

class ClassA
{
    public:
        ClassA(int);
        void print();
    protected:
        int plus;
};
class ClassB: public ClassA
{
    public:
        ClassB(int,int);
        void print();
        void count();
    private:
        int minus;
};
ClassA::ClassA(int PLUS)
{
    plus=PLUS;      
}
void ClassA::print()
{
    cout << plus << endl;    
}
//////////////////////////////////////////////////////
ClassB::ClassB(int PLUS, int MINUS) : ClassA(PLUS)
{
    minus=MINUS;      
}
void ClassB::print()
{
    ClassA::print();
    cout << minus << endl;    
}
void ClassB::count()
{
    ++plus;
    --minus;
}
int main()
{
    ClassB b(5,5);
    b.print();
    
    b.count();
    b.print();
    return 0;
}