on @!*:JOIN:#:{
  inc -u3 %joins [ $+ $+($cid,$chan) ]
  set -u3 %joinsnicks [ $+ $+($cid,$chan) ] $addtok(%joinsnicks [ $+ $+($cid,$chan) ],$nick,32)
  if (%joins [ $+ $+($cid,$chan) ] > 15) {
    var %x = %joins [ $+ $+($cid,$chan) ]
  mode $chan +M | timer 1 20 mode $chan -M }