Do you already have any plans for the nearest saturday evenings?
If you want to spend it with ABBYY Cup click here to register! There are special checkboxes for pupils and graduates to take part in out of contest.
If want to take part in contest, registration is obligatory. If you are not, it's free.
As MikeMirzayanov commented:
The second division (easy) contest will be a rated event for Div. 2 Codeforces users, so it will be rated for official participants and whose unofficials who is from the Codeforces Div. 2.
The first division (hard) contest will be a rated event for any participant despite of the participant rating and type of participation.