a,b,c=map(int,input().split())
if b**2<4*a*c:
    print('imaginary')
elif b**2==4*a*c:
    print(-b/(2*a))
else:
    x1=-b/(2*a)+((b**2-4*a*c)**0.5)/(2*a)
    x2=-b/(2*a)-((b**2-4*a*c)**0.5)/(2*a)
    ans=[x1,x2]
    ans=sorted(ans)
    print(*ans)