#ifndef NODE_H
#define NODE_H

template <class T>
class Node {
public:
    Node(T val);
    ~Node();
    T val;
    Node* down;
    Node* up;
};

template <class T>
Node<T>::Node(T val) {
    this->val = val;
    this->down = nullptr;
    this->up=nullptr;
}

template <class T>
Node<T>::~Node() {
    if (this->down != nullptr) delete this->down;
}

#endif