import java.util.*;   // for the StringTokenizer class
   
public class Mutable
{
	public static void main (String[ ] args) 
	{
       		StringTokenizer tokens = new StringTokenizer ("yes no maybe");
      
       		System.out.println (tokens.nextToken());
       		advance (tokens);
       		System.out.println (tokens.nextToken());
  	} // method main 
  
  
	public static void advance (StringTokenizer st)
  	{
        	st.nextToken();
  	} // method advance

} // class Mutable