There was kotlin heroes contest at May/28/2019 and i won a t-shirt. Todays date is August/15/2019 we are waiting for 3 months. Will my t-shirt come and when please?

I won a t-shirt in Kotlin heroes contest (nearly 1 month ago) When it will be coe to my house? Does anybody knows?

I just recently figured out how to implement logarithmic matrix multiplication and I feel so bad that I couldn't find out before the last div 2 contest so please ask more matrix problems in the next exams.