a == 6	6 == a
a != 78	78 != a	not (a == 78)	not (78 == a)
a <= 2	2 >= a
a > 0	0 < a
(a % 4) == 3	3 == (a % 4)	a % 4 == 3	3 == a % 4
(a % 9) == 0	0 == (a % 9)	a % 9 == 0	0 == a % 9
(a % 2) == 1	1 == (a % 2)	a % 2 == 1	1 == a % 2
5 <= a < 10	10 > a >= 5	5 <= a and a < 10	(5 <= a) and (a < 10)	(10 > a) and (a >= 5)
