My gmail account got hacked

Hello,

Hello, my gmail got hacked for 3 years and still I went to gmail service I sent a lot of messages they say we can't give you back the account because the information you gave us weak pls can you help me get it back I swear it mine I know the. First password for the account and the gmail name same as my facebook name pls help me get it back my E mail the one got hacked is ***@***