I got beaten up badley and im 14 years?

well im 14 years old boy i make bodeybuilding an i gained muscle but know i know muscle cant protect u . So i was going out with 3 friends to play Xbox in a place. While i payed and my friends payed he told us u can play 3 hours ... we went up . we played and ther was 1 hour left while about 5 people 14 years same year came . and told us we didint play Move off we need to play on ur xbox tell the man that u want to give us a turn . we told them no way we got 1 hour more to play so get ur own money and play . So we Talked to owner and he came and Screamed on them and told them to go out Well 2 guyz stared me becuz i talked and other didint stare . so i knew something will happen . Ps: my mom dosent let me put a knife in my pocket . so we finished and went out while we are on our way out the 5 teenagers same people , came and trapped us in a dead end . not even a single person ther . and we cant run so they ganged us . I said what u need ? the guyz who stared me Im thinking hes the both cuz he always speak . he said HAHAHA looks who's scared . 1 hour ago u wer talking rudley what happend now . i said I'm not scared so when i said this he made a signal to his friend, his friend got a big stick he said and now . i didint speak . so i told my friends leave il take it alone. cuz they r weak , they dont do bodeybuilding they said no . we fight with u . i said Idk . and meanwhile 2 of them Grabbed my weakest friend and pwned him to the wall . i was Wtf . and then 2 more pwned my other friend to the wall and came to me With the same eye look . and told me me vs u . I told him if i win U leave me and my friends . he said ok . Well he started punching i dodged half and Went with a huge right hand knocked him to floor i sat on him and started punching he counterd and started punching . we traded Blows . then when i had the upper hand 1 of the guyz came on me and started punching me on my back i was turning back to him . the leader started punching me so i couldent defend my self 2 on 1 and my friends wer being attacked by 3 others ... until in the end 1 of them took the stick and hit me with it and i fell unconcious . what do i do do i go ther again with a gang and beat the crap out of them or what police dosent care a **** . what i do i need ur help