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
class Main{public static void main(String[]_)throws Exception{String s="";for(int c;(c=System.in.read())>32;s=(char)c+s);System.out.println(s);}}