? ? ? ? ? ? ?not 1 or 0 and 1 or 3 and 4 or 5 and 6 or 7 and 8 and 9
----> ? ? ? ?(not 1))or (0 and 1) or (3 and 4) or (5 and 6) or (7 and 8 and 9)
----> ? ? ? ?0 or 0 or 4 or 6 or 9
----> ? ? ? ?0 or 4 or 6 or 9
----> ? ? ? ?4 or 6 or 9
?
?
4
?