/* linked list class */
#include<iostream.h>

class cell
{
private:
     int head;  
     cell *tail;

public:

  cell(int h, cell *t) { head = h;  tail = t; }
  ~cell() { if (tail != NULL) delete(tail); }
  
  // accessors
  int car() { return head; }
  cell *cdr() { return tail; }

  void print()
  {
    for (cell* c=this;c!=NULL;c=c->tail) cout << c->head << " ";
    cout << endl;
  }

  // what's wrong with this function?
  // it's supposed to return the last integer (data) in the list
  int last()
  {
    cell * c;
    c = this;
    while (c->tail != NULL) c = c->tail;
    return (int)c;
  }
  
};


int main(int argc, char **argv)
{
  cell * l;
  l = new cell(2,new cell(3,new cell(5, new cell(7,NULL))));
  cout << l->last() << endl;
  return 0;
}