a, b, c = map(int, input().split())
if a < 0:
    a, b, c = -a, -b, -c
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)