class Box { private: int l, b, h;

public: // Constructors Box() : l(0), b(0), h(0) {} Box(int length, int breadth, int height) : l(length), b(breadth), h(height) {} Box(const Box& other) : l(other.l), b(other.b), h(other.h) {}

// Getters
int getLength() const { return l; }
int getBreadth() const { return b; }
int getHeight() const { return h; }

// Volume
long long CalculateVolume() const {
    return 1LL * l * b * h;
}

// Lexicographic comparison: (l, b, h)
bool operator<(const Box& other) const {
    if (l != other.l) return l < other.l;
    if (b != other.b) return b < other.b;
    return h < other.h;
}

// Output operator
friend ostream& operator<<(ostream& out, const Box& B) {
    out << B.l << " " << B.b << " " << B.h;
    return out;
}

};