import math
import sys
def S(): return sys.stdin.readline().rstrip()
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int, sys.stdin.readline().rstrip().split())
def LI(): return list(map(int, sys.stdin.readline().rstrip().split()))
def LS(): return list(sys.stdin.readline().rstrip().split())

a,b,c = MI()
p = b**2-4*a*c
if p < 0:
    print("imaginary")
elif p == 0:
    print(-b/(2*a))
elif a > 0:
    print((-b-p**0.5)/(2*a), (-b+p**0.5)/(2*a))
else:
    print((-b+p**0.5)/(2*a), (-b-p**0.5)/(2*a))