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));
        StringBuilder st = new StringBuilder(buf.readLine());
        st.reverse();

        System.out.println(st.toString());


    }
}