a,b,c=map(int,input().split())
from math import sqrt

if b**2-4*a*c<0:
    print("imaginary")
elif b**2-4*a*c==0:
    print(-b/2/a)
else:
    x=sqrt(b**2-4*a*c)
    print(*sorted([(-b+x)/2/a,(-b-x)/2/a]))