Help! I-539 Denied While I-129 in Process

#1
Hi! I'm in US in a I-129 process and I filed a I-539 to extend my status to December/2015, since my I-94 would be valid until June/2015.
I received the notice that my I-539 was denied but the I-129 is still in process.
I need do wait the USCIS letter and apply a Motion or there's anything else I can do to not leave the country?
 
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