import java.lang.*;

public class Node {

       // Instance variables:
       private Object element;
       private Node next;

       // Simple constructors:
       public Node() {
         this(null, null);
       }
        public Node(Object e, Node n) {
         element = e;
         next = n;
       }

       // Accessor methods:
       Object getElement() {
         return element; 
       }
       Node getNext() { 
         return next;
       }

       // Modifier methods:
       void setElement(Object newElem) { 
         element = newElem; 
       }
       void setNext(Node newNext) {
         next = newNext; 
       }
}