## Description

Enter a Fahrenheit temperature and output the corresponding Celsius temperature. The formula is $c = (F - 32) \times 5 / 9$.

## Input Format

The input consists of multiple lines, each containing a Fahrenheit temperature (integer).

## Output Format

For each Fahrenheit temperature, output the corresponding Celsius temperature on a separate line, rounded to two decimal places.

100
151
0

37.78
66.11
-17.78

## Source

CodesOnline