What shall i do?

Freebitco.in
My question, because i have 0.0129 BTC on my account there.
Shall i withdraw my money to my btc wallet or buy lottery tickets?
I want to know if anyone of you ever won in the freebitco.in lottery?
Please comment down below!
My ref link if you want to start there: http://www.freebitco.in/?r=2992667