import sys; input = sys.stdin.buffer.readline
sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	a, b, c = getlist()
	if b ** 2 - 4 * a * c < 0:
		print("imaginary")
		return

	if b ** 2 - 4 * a * c == 0:
		print(-b / 2 / a)
		return

	ans1 = (-b - (b ** 2 - 4 * a * c) ** 0.5) / 2 / a
	ans2 = (-b + (b ** 2 - 4 * a * c) ** 0.5) / 2 / a
	print(ans1, ans2)


if __name__ == '__main__':
	main()