Problem6822--ABC266 —— A - Middle Lette

6822: ABC266 —— A - Middle Lette

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 256 MiB

Description

You are given an odd-length string $S$ consisting of lowercase English letters.
Print the central character of $S$.

Input

Input is given from Standard Input in the following format:
$S$

Output

Print the answer.

Constraints

$S$ is an odd-length string consisting of lowercase English letters.
The length of $S$ is between $1$ and $99$ (inclusive).

Sample 1 Input

atcoder

Sample 1 Output

o
The central character of atcoder is o.

Sample 2 Input

a

Sample 2 Output

a

Source/Category

 AtCoder_ABC 100.266.ABC266