class Box
{
private:
    int m_length, m_breadth, m_height;

public:
    Box()
    {
        m_length = 0;
        m_breadth = 0;
        m_height = 0;
    }
    Box(int length, int breadth, int height)
    {
        m_length = length;
        m_breadth = breadth;
        m_height = height;
    }
    Box(Box &box)
    {
        m_length = box.getLength();
        m_breadth = box.getBreadth();
        m_height = box.getHeight();
    }
    int getLength()
    {
        return m_length;
    }
    int getBreadth()
    {
        return m_breadth;
    }
    int getHeight()
    {
        return m_height;
    }
    long long CalculateVolume()
    {
        return 1LL * m_length * m_breadth * m_height;
    }
    bool operator<(Box &box)
    {
        if (m_length < box.getLength())
        {
            return true;
        }
        else if (m_breadth < box.getBreadth() &&
                 m_length == box.getLength())
        {
            return true;
        }
        else if (m_height < box.getHeight() &&
                 m_breadth == box.getBreadth() &&
                 m_length == box.getLength())
        {
            return true;
        }

        return false;
    }
};

ostream &operator<<(ostream &out, Box &box)
{
    return out << box.getLength() << " " << box.getBreadth() << " " << box.getHeight();
};