import math
a, b, c = map(int,(input().split()))
d = b*b - 4*a*c
if d > 0:
    d = math.sqrt(d)
    print(((-b-d)/(2*a)), ((-b+d)/(2*a)))
elif d == 0:
    print(-b/2*a)
else:
    print("imaginary")