import sys
input = sys.stdin.readline
from collections import *

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

if b*b-4*a*c<0:
    print('imaginary')
else:
    if b*b-4*a*c==0:
        print(-b/2/a)
    else:
        d = (b*b-4*a*c)**0.5
        print((-b-d)/2/a, (-b+d)/2/a)