Reverse a word

Problem

Write a recursive reverse(text) that returns the text backwards. Read one word and print the reversed word.

Example

Input

order

Output

redro

Letters in reverse.

Try the problem first. Open one hint at a time.

Hint 1

A word of one letter is already reversed.

Hint 2

Reverse the part after the first letter, then add the first letter at the end.

Write your Python code, run it on the examples and submit it to hidden tests.