import java.util.Scanner;


/*
   Author:  James Tam
   Version: February 10, 2011

   Learning: how to detect an empty string (e.g., user hits enter)
*/
class StringShort
{
     public static void main (String [] args)
     {
          Scanner in = new Scanner(System.in);
	  System.out.print("Type in a string, any string: ");
          String st = in.nextLine ();  
          if (st.length() == 0)
              System.out.println("Blank");
          else
              System.out.println("Not blank");   
     }
}