on quit:
    if player has permission "litebans.warn":
        set {lastjoin.%player%} to now
        stop
on join:
    wait 2 seconds
    if player has permission "litebans.warn":
        set {lastlogin} to difference between {lastjoin.%player%} and now
        if {lastlogin} is more than 30 seconds:
            execute console command "/pex user %player% group remove helper"
            execute console command "/pex user %player% group remove mod"
            execute console command "/pex user %player% group remove admin"
            stop
        else:
            message "&cWelcome Back!"