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;
import java.lang.StringBuilder;

class Main{
    public static void main(String[] args){
	final Scanner sc = new Scanner(System.in);
	final StringBuilder sb=new StringBuilder(sc.next());
	System.out.println(sb.reverse());
    }
}