class IntListElement{

  int data;

  /* Pointer to the next node. */
  IntListElement next = null;

  /* Constructor Methods */
  IntListElement(int d){data = d;}

  IntListElement(int d, IntListElement ln){
    data = d;
    next = ln;
  }

  /* Methods */
  public String toString(){
    return ""+data;
  }
  
  /* In practice the attributes should be declared
   * private, and access should be granted by providing
   * methods.
   */
}