import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

public class Node {
	int start;
	int end;
	Node suffixlink;
	HashMap<String,Node> children = new HashMap<>();
	public Node next;
    boolean isleaf = false;



    public Node(int start, int end) {
       this.start = start;
       this.end = end;
    }

    public String getlabel(String s ) {
    	if(this.start == -1) return "root";
    	String label = s.substring(this.start, this.end) ;
    	return label;

    }
    public Node() {

	}


}