Range Analysis by 

import re
while 1:
 a,b,c,d=map(int,re.findall(r'-?\d', input()))
 m=[a*c,a*d,b*c,b*d]
 print('range({},{})'.format(min(m),max(m)))

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)

download

return to the top page