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

s = b * b - 4 * a * c

if s < 0:
    print("imaginary")
elif s == 0:
    print(-b / (2 * a))
else:
    s = s ** 0.5
    ans = [(-b - s) / (2 * a), (-b + s) / (2 * a)]
    ans.sort()
    print(*ans)