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

/*************************************
Daniel Heck
Lab4
Section 1
1/22/06
**************************************/
public class IO_heckds_Rooter
{
    public static void main(String[] args)
    {
       double          value, result;       
       PrintWriter     screen;       
       Scanner         keyboard;
       
       screen   = new PrintWriter(System.out,true);       
       keyboard = new Scanner(System.in);
		 
       screen.println("Enter a number: ");    
       
       
       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();
    }
    
}