skriptで分と秒表記のタイマーを作りたい

set {timer} to 1000
if {timer} is not 0:
    subtract 1 from {timer}
    loop all players:
        wait 1 tick
        set action bar of loop-player to "&l%{timer}%"

set action bar of loop-player to "&l%floor({timer} / 60)%:%mod({timer}, 60)%"