import java.io.PrintWriter;
import java.util.Scanner;

/**************************************
 * Rooter.java 
 *
 * @author Chris MacDonald
 * @version 1 
 **************************************/
// Date:  January 22, 2007
// Section 1
// Lab 2

public class IO_macdoncj_Rooter
{
    public static void main(String[] args)
    {
       double          value, result;       
       PrintWriter     screen;       
       Scanner         keyboard;
       
       screen   = new PrintWriter(System.out);       
       keyboard = new Scanner(System.in);

       screen.println("Enter a number: ");
		 screen.flush();
       
       while (keyboard.hasNext())
       {
          value = keyboard.nextDouble();
          result = Math.sqrt(value);

          screen.printf("The square root of " + value + " is " + result);
          screen.flush();
          
          screen.println("Enter a number: ");       
        	 screen.flush();
       }

       screen.println("Done.\n");       
       screen.flush();
    }
}