from math import sqrt

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 - sqrt(D)) / (2 * a), (-b + sqrt(D)) / (2 * a))