# Running this `time python3 v1337.py` takes 0.02s in the test machine.
# The same as 1337.c compiled with -O3 with 100k random inputs from 0 to 2^20.
# i.e. it can not be optimised any further for this problem and machine...
# "no code is faster than no code" <- in this case they are equally fast ^_^U
