It is your position in the ratings. If this number is 1, you are the best. If it's 30.000.000 you earned the least amount of crystals/experience in the whole Tanki.
EXP = Experience
CRY = Crystals
If you are looking at the top of your screen, on the right side of the promotion bar, these are not values of either, rather they are your place in the weekly ratings. #1 has earned the most exp -or - cry this week.
You can click on these numbers to take you to your profile page, these numbers are explained there as well.
thank you guys appreciate that
Customer support service by UserEcho