Cant log in to wordpress dashboard

I just installed worpress to my jumpline.com host I watched a video
> tuturiols everything went through fine im still in the process of
> switching from blogger to wordpress but after everything went through
> successfull when I log into the wordpress admin for
> https://www.magnumopusx.com i get this error
>
> Service Temporarily Unavailable
>
> The server is temporarily unable to service your request due to
> maintenance downtime or capacity problems. Please try again later.
>
> Additionally, a 503 Service Temporarily Unavailable error was
> encountered while trying to use an ErrorDocument to handle the
> request.
>
> Im 100% ive uploaded everything correctly what can i do now so i can
> start importing from blogger