9 9
a ~ 0
b ~ 0
c ~ 0
d ~ 1
e ~ 1
f ~ 0
g ~ 0
h ~ 0
i ~ 0
3 = TIMES(4, a)
b = ATAN(a, e)
c = PLUS(9, 16)
c = TIMES(d, d)
e = TIMES(-2, d)
f = SIN(b)
g = COS(b)
h = TIMES(e, f)
i = TIMES(e, g)