Code:
.hinc -u10m b_ c_
if ($hget(b_,c_) < 13) { 
        .hadd -u10m bb cc $hget(bb,cc) $+($2,!*@*multiban*) 
        .timer_ban 1 1 !mode $1 $+(+,$str(b,12)) $hget(bb,cc)
      }