a, b, c = map(int, input().split())
d = b * b - 4 * a * c
if d < 0:
    print("imaginary")
elif d == 0:
    print(-b / 2 / a)
else:
    print((-b - d ** 0.5) / 2 / a, (-b + d ** 0.5) / 2 / a)