#include <iostream>

using namespace std ;

class A
{
    public:
        A() { cout << "A" << endl ; }

    public:
        const int f;
} ;

class C : public A
{
    public:
        C() { cout << "C" << endl ; }
} ;

class B: public A
{
    public:
        B() { cout << "B" << endl ; }

} ;

class D: public B, C
{
    public:
        D() { cout << "D" << endl ; }
} ;

int main()
{
    D * klase = new D() ;
    return 0 ;
}
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