a,b,c = map(int,input().split())
if b**2 -4*a*c < 0:
    print("imaginary")
elif b**2-4*a*c == 0:
    print((-b-(b**2-4*a*c)**0.5)/2/a)
else:
    ans = [(-b-(b**2-4*a*c)**0.5)/2/a, (-b+(b**2-4*a*c)**0.5)/2/a]
    print(*sorted(ans))