String inside out
Description
You are given a string S of even length s1..s2n . Perform the following manipulations:
- divide it into two halves s1..sn and sn + 1..s2n
- reverse each of them sn..s1 and s2n..sn + 1
- concatenate the resulting strings into sn..s1s2n..sn + 1
Output the result of these manipulations.
The only line of the input contains a string of lowercase Latin letters. The length of the string is between 2 and 20, inclusive, and it is even.
Output the string which is the result of the described manipulations.
Input
The only line of the input contains a string of lowercase Latin letters. The length of the string is between 2 and 20, inclusive, and it is even.
Output
Output the string which is the result of the described manipulations.
Samples
codeforces
fedocsecro
qwertyasdfgh
ytrewqhgfdsa