/**
 *  class representing a vertex in the graph
 */

import java.util.*;
import java.io.*;

class Vertex
{
    String     name;     // Vertex name
    LinkedList adj;      // Adjacent vertices
    boolean    visited;  // visited ?? 

    public Vertex( String nm )
    { name = nm; adj = new LinkedList( ); visited = false;}

    public void visite( )
    { visited = true; }    

    public boolean isVisited( )
    { return visited; }    

    public String toString() 
    { return name; }
}