#123. Fahrenheit to Celsius
You get an integer x. Convert Fahrenheit to Celsius and print the answer with 1 decimal place. Formula: `(x - 32) * 5 / 9`
### Input
One integer x (0 ≤ x ≤ 200).
### Output
A decimal number with 1 decimal place.
Examples
Input
21
Output
-6.1
Input
65
Output
18.3
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.