Write a program which reverses a given string str.



Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Example

Input

w32nimda


Output

admin23w
import java.io.*;
public class Main {
   public static void main(String[] args) throws IOException{
	   BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
	   String str;
	   StringBuffer s = new StringBuffer("");
	   str = buf.readLine();
	   s.append(str);
	   s.reverse();
	   System.out.println(s);
   }
}