# your code goes here
EPS = 0.000000000000000001
liczby = list(map(float, input().strip().split()))
while liczby:
a = liczby[0]
b = liczby[1]
c = liczby[2]
delta = (b * b) - (4 * a * c)
if abs(delta) <= EPS:
print(1)
elif delta > 0:
print(2)
else:
print(0)
liczby = list(map(float, input().strip().split()))
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