Score : 100 points
How many hours do we have until New Year at M o'clock (24-hour notation) on 30th, December?
Input is given from Standard Input in the following format:
M
If we have x hours until New Year at M o'clock on 30th, December, print x.
21
27
We have 27 hours until New Year at 21 o'clock on 30th, December.
12
36