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:
    x = (- b - d ** 0.5) / 2 / a
    y = (- b + d ** 0.5) / 2 / a
    if x > y:
        x, y = y, x
    print(x, y)