a,b,c = map(int,input().split())
tmp = b**2-4*a*c
if tmp < 0:
    print("imaginary")
    exit()



if tmp == 0:
    print(-b/(2*a))
else:
    ans = [0]*2
    ans[0] = (-b-(tmp**0.5))/(2*a)
    ans[1] = (-b+(tmp**0.5))/(2*a)
    ans.sort()
    print(*ans)