import java.util.Scanner;

public class ReverseString

{

public static void main(String[] args)

{

String s;

System.out.println("Enter The string: ");

Scanner scanner = new Scanner(System.in);

s = scanner.nextLine();

Rev_str obj=new Rev_str();

obj.reverse(s);

}

}

class Rev_str

{

void reverse(String str)

{

if ((str==null)||(str.length() <= 1))

System.out.println(str);

else

{

System.out.print(str.charAt(str.length()-1));

reverse(str.substring(0,str.length()-1));

}

}

}