import numpy as np

A, B, C = map(int, input().split())
if (D := B ** 2 - 4 * A * C) < 0:
    print('imaginary')
else:
    x1, x2 = np.roots([A, B, C])
    if D:
        print(*sorted(x1, x2))
    else:
        print(x1)