class Box {

private:
    int l;
    int b;
    int h;

public:

Box() : l(0), b(0), h(0) {}
Box(int l, int b, int h) : l(l), b(b), h(h) {}
Box(const Box& B) : l(B.l), b(B.b), h(B.h) {}

int getLength() const {return l;}
int getBreadth() const {return b;}
int getHeight() const {return h;}
long long CalculateVolume() const {
    return static_cast<long long>(l) * b * h;
}

bool operator<(const Box& B) const {
    if (l < B.l) return true;
    if (l == B.l && b < B.b) return true;
    if (l == B.l && b == B.b && h < B.h) return true;
    return false;
}

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

};