from decimal import *

ta,tb,tc = map(int, input().split())

a = Decimal(ta)
b = Decimal(tb)
c = Decimal(tc)
d = tb *tb - 4 * a*c
D = b * b - 4 * a * c
if d > 0:
    exit(1)
    res1 = (-b - D.sqrt()) / (2 * a)
    res2 = (-b + D.sqrt()) / (2 * a)
    print("{} {}".format(res1, res2))
elif d == 0:
    res1 = (-b) / (2 * a)
    print(res1)
else:
    print("imaginary")