my second transaction and it is stuck!!! 
can someone please help me accelerate this transaction: 3a3bac0345baecda7409c09e14dc7023bbc75dc1e8ec9d13782211ce44f2aa03
it has an unconfirmed input, which is not mine: 4dfe434ab7f2f6a54995b4961152579f97a0946bab9b58c18a1c8afc1575b4da