class Node
  {
  public:

  int get()
  {
      return this->Object;
  }
  void set(int value)
  {
       this->Object = value;
  }

  void setNext(Node* value)
  {
       this->nextNode = value;
  }

  Node *getNext()
  {
       return this->nextNode;
  }

  private:
  int Object;
  Node* nextNode;
  };

  class Stack
  {

    public:

     Stack()
     {

         headNode = new Node;
         headNode->setNext(NULL);
         headNode->set(-1);
     }

     void push(int value)
     {
          Node *newNode = new Node;
          newNode->set(value);
          newNode->setNext(headNode);
          headNode = newNode;
     }

     bool isEmpty()
     {
          if((headNode->get()) != -1)
          {
              return true;
          }
          if((headNode->get()) == -1)
          {
              return false;
          }
     }

     int pop()
     {

         if(isEmpty() != false)
         {
              int x = headNode->get();
              Node *p = headNode;
              headNode = headNode->getNext();
              delete p;
              return x;
         }
         if(isEmpty() != true)
         {
             cout << "Stack is Empty";
             return 0;
         }
     }


    private:

   Node * headNode;


   };



   main()
   {
     Stack stk;

     stk.push(23);
     stk.push(232);

     cout << stk.pop();

     system("pause");
  }