variables:
    {G1} = 100
on rightclick holding a paper:
    chance of 1/{G1}:
        execute console command "/playsound entity.player.levelup master %player%"
        execute console command "/menu grab %player% q"
        {G1} = 100
        send "&9>>> &c当選しました！おめでとうございます！"
    else:
        execute console command "/playsound entity.player.levelup master %player%"
        send "&9>>> &e残念、ハズレです。只今の当選確率は{G1}です"
        subtract 1 from {G1}