a, b, c = map(int, input().split())
import math
D = b**2-4*a*c
if a < 0:
    a, b, c = -a, -b, -c
if D < 0:
    print('imaginary')
elif D == 0:
    print((-b)/(2*a))
else:
    x1 = (-b-math.sqrt(D))/(2*a)
    x2 = (-b+math.sqrt(D))/(2*a)
    print(x1, x2)