import math

a, b, c = map(int, input().split())

D = b ** 2 - 4 * a * c

if D < 0:
    print("imaginary")
else:
    if D == 0:
        x = (-b) / (2 * a)
        print("{0:.15f}".format(x))
    else:
        sqrt_d = math.sqrt(D)
        x1 = (-b - sqrt_d) / (2 * a)
        x2 = (-b + sqrt_d) / (2 * a)
        sorted_roots = sorted([x1, x2])
        print("{0:.15f} {1:.15f}".format(sorted_roots[0], sorted_roots[1]))