Oh also Oleg, if they come at you all 4 just run your ass out of there. No shame in that.
If it's just you and that Mac kid, always block your face, never take your eyes off him, and if he starts beating you push your upper body into his so he can't get an effective swing in. Perhaps learn some take downs, like the hip toss or inside leg trip. Idk, just don't die, please.