class Box{
    private:
        int l;
        int b;
        int h;
    public:
        Box(){
            l = 0;
            b = 0;
            h = 0;
        }
        
        Box(int length, int breadth, int height){
            l = length;
            b = breadth;
            h = height;
        }
        int getLength(){
            return l;
        } 
        int getBreadth(){
            return b;
        }
        int getHeight(){
            return h;
        }
        long long CalculateVolume(){
            return static_cast<long long>(l)*b*h;
        }
        
        bool operator<(Box& other) const{
            if(l < other.l){
                return true;
            }
            else if(b < other.b && l == other.l){
                return true;
            }
            else if(h < other.h && b == other.b && l == other.l){
                return true;
            }
            
            return false;
        }
        
        friend ostream& operator<<(ostream& os, const Box& other) {
            os << other.l << " " << other.b << " " << other.h;
            return os;
        }
        
};