a,b,c=map(int,input().split())
d=b**2-4*a*c
if (d<0):
    print("imaginary")
elif(d==0):
    ans = (-b - (d ** 0.5)) / (2 * a)
    print(ans)
else:
    ans1=(-b+(d**0.5))/(2*a)
    ans2 = (-b + (d ** 0.5)) / (2 * a)
    print(ans1,ans2)