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();
};

class Box {
private:
    int l = 0, b = 0, h = 0;
    
public:
    Box() = default;
    Box(int l, int b, int h)
        : l(l), b(b), h(h) {}
    Box(const Box& other)
        : l(other.l), b(other.b), h(other.h) {}
        
    int getLength() { return l; }
    int getBreadth() { return b; }
    int getHeight() { return h; }
    
    long long CalculateVolume() { return (long)(l * b) * h; }
    
    bool operator<(Box& other) { 
        if (this->l < other.l) return true;
        else if ((this->b < other.b) && (this->l == other.l)) return true;
        else if ((this->h < other.h) && (this->l == other.l) && (this->b == other.b)) return true;
        else return false;
    }
    friend ostream& operator<<(ostream& oss, Box &box) {
        oss << box.l << " " << box.b << " " << box.h;
        return oss;
    }
};