import math
a, b, c = map(int,(input().split()))
d = b*b - 4*a*c
def multiple(a, b):
  return((a**2 - b**2) / (a + b))
if d > 0:
    d = math.sqrt(d)
    small = -b / 2*a - -b / 2*a
    large = -b / 2*a + -b / 2*a
    print('{:.10f}'.format(small), '{:.10f}'.format(large))
elif d == 0:
    print('{:.10f}'.format(-b/2*a))
else:
    print("imaginary")