public class Node
{
	private String token_;
	private Node next_;

	public Node(String token, Node next){
		token_ = token;
		next_ = next;
	}

	public void Add(String s){
		Node a = new Node(s);
		a.next = head;
		head = a;
	}

	public int find(String word){
		int counter = 0;
		Node current = token_;
		while(current != null){
			if(current.token_ == word){
				return counter;
			}
			else{
				current = current.next;
				counter++;
			}
		}
	return -1;
	}
}