#include <iostream>

using namespace std;


class linkedListclass {
  friend class realList;
public:

  linkedListclass(int newvalue) {
    dvalue=newvalue;
    next = NULL;
  }

  void printlist() {
    cout << "current node is " << dvalue << endl;
    if (next != NULL)
      next->printlist();
    else
      cout << "\n\n";
  }

private:
  int dvalue;
  linkedListclass *next;

};

class realList {
public:
  realList(int nodevalue) {
    first = new linkedListclass(nodevalue);
  }

  ~realList() {
    linkedListclass *temp;
    cout << "called the destructor for realList \n";

    while (first != NULL) {
      temp = first;
      first = first -> next;
      cout << "deleting " << temp->dvalue << endl;
      delete temp;
    }
  }

  void addbehind(int newvalue) {
    linkedListclass *newnode = new linkedListclass(newvalue);
    first->next = newnode;
  }

  void addinfront(int newvalue) {
    linkedListclass *newnode = new linkedListclass(newvalue);

    newnode->next = first;
    first = newnode;
  }

  int getdvalue() {
    return(first->dvalue);
  }

  void printlist() {
    first->printlist();
  }


private:

  linkedListclass *first;
};

int main() {

  realList *myList;

  myList= new realList(23);

  cout << "The value is " << myList->getdvalue() << endl;

  myList->addbehind(45);
  myList->printlist();

  myList->addinfront(10);
  myList->printlist();

  delete myList;

  return 0;
}