import java.util.Scanner;

public class LabProgram $\{$

public static void main$($String$[]$ args$)\{$

$/*$ Type your code here. $*/$

Scanner scnr $=$ new Scanner$($System$.$in$)$;

String userInput;

int i $=0$;

userInput $=$ scnr$.$nextLine$()$;

while $($true$)\{$

if $(($userInput$.$equals$("$done$")||$ userInput.equals$("$Done$")||$ userInput.equals$("$d$")))\{$

break;

$\}$

for $($i $=0$; i $<$ userInput.length$()$; i$++)\{$

System.out.print$($userInput$.$charAt$($userInput$.$length$()-$ i $-1))$;

$\}$

System.out.print$("$

$")$;

$\}$

$\}$

$\}$