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.util.Scanner;
public class Main {
    public static void main(String[] args) {
        try (Scanner scan = new Scanner(System.in)) {
            StringBuffer str = new StringBuffer(scan.nextLine());
            System.out.println(str.reverse());
        } catch (Exception e) {
            System.exit(0);
        }
    }
}