a, b, c = map(int, input().split())
d = b ** 2 - 4 * a * c
if d < 0:
    print('imaginary')
elif d == 0:
    x = -b / (2 * a)
    print(x)
else:
    x0 = (-b + d ** 0.5) / (2 * a)
    x1 = (-b - d ** 0.5) / (2 * a)
    if x0 > x1:
        x0, x1 = x1, x0
    print(x0, x1)