left4dead2 trade for arma 2 oa key

I will trade a Left4dead2 game for an arma 2 oa valid and ubanned key on steam.
I need you to post your steam name and skype name below and I will begin te trade with you.
also if you dont want Left4dead2 and you rather have an arma 3 alpha lite key than i will do that trade instead.
So what will you choose to trade.
steam: (name)
skype: (name)
my skype is gamesunhinged

come on you know you want it