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.*;
import java.util.*;

public class Main {
	
	public static void main(String[] args) throws IOException {
		
		BufferedReader br = 
			new BufferedReader(new InputStreamReader(System.in));
		
		System.out.println(new StringBuffer(br.readLine()).reverse());
	}
	
}