Δημιουργήστε την κλάση απόγονο elder

class human
{
private:
    int height;
    double weight;
public:
    void print()
    {
        cout<<"Height="<<height<<" Weight="<<weight<<endl;
    }
};

class elder
{
private:
    int height;
    double weight;
    double pension;
public:
    void print()
    {
        cout<<"Height="<<height<<" Weight="<<weight<<" Pension="<<pension<<endl;
    }
};