Problem Description

Input a floating-point number that is not less than $100$ and less than $1000$, and has exactly one digit after the decimal point, such as $123.4$. Reverse this number to get $4.321$ and output it.

Input Format

One line with one floating-point number.

Output Format

One line with one floating-point number.

123.4

4.321

Hint

Translated by ChatGPT 5