Problem:
Reverse Sequence

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.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in PHP (judge verdict: WA: Presentation Error)

<?php
$line = str_split(trim(fgets(STDIN)));

for($i = 0;$i < count($line);$i++){
    echo $line[count($line)-1-$i];
}