Blood Type Compatibility by hallvabo

s="\x09O-\x09O+\x09A-\x09A+\x09B-\x09B+\x09AB-\x09AB+"
r=range(8)
print(s)
for i in r:print(s.split()[i],*["X"[:i&j>=j]for j in r],sep="\x09")

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