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#ifndef SUPER_H
#define SUPER_H

class Super{
private:
    int number;
public:
    Super();
    Super(int number);
    void changeNumber(int number);
    virtual void print() const;
};


#endif


#include "super.h"
#include <iostream>

using namespace std;

Super::Super(){
    number = 0;
}

Super::Super(int number){
    this->number = number;
}

void Super::changeNumber(int number){
    this->number = number;
}

void Super::print() const{
    cout << "The number is: " << this->number << endl;
}


#ifndef DERIVED_H
#define DERIVED_H

#include "super.h"

class Derived : public Super{
        public:
        Derived();
        Derived(int number);
};


#endif

#include "Derived.h"
#include <iostream>

using namespace std;

Derived::Derived(){
    Super::Super(0);
}

Derived::Derived(int number){
    Super::Super(number);
}