class BaseKlass {
   
   
   public:
   BaseKlass(int x, int y, int z) : m_x(x), m_y(y), m_z(z) {
   }
   
   
   
   private:
   int m_x;
   int m_y;
   int m_z;
};


class SubKlass : public BaseKlass {
   
   
   public:
   SubKlass(int x, int y, int z) : BaseKlass(x, y, z) {
   }
};