on right click:
    if name of held item contains "&c弾ガチャ":
        execute console command "scoreboard players tag %player% add gatya"
        remove 1 of player's held item from the player's inventory
        set {_r} to a random integer between 1 and 100
        if {_r} is less than or equal to 1:
            set {_location} to location of player
            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at {_location}
            execute console command "scoreboard players add %player% bullet 10"
            broadcast "&8[&cGatya&8] &e%player%&cが&c&l弾10発&cに当選しました！"
            send "&8[&cGatya&8] &e弾の数が10増えた！"
        else if {_r} is between 2 and 4:
            set {_location} to location of player
            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at {_location}
            broadcast "&8[&cGatya&8] &e%player%&cが&c&l弾5発&cに当選しました！"
            execute console command "scoreboard players add %player% bullet 5"
            send "&8[&cGatya&8] &e弾の数が5増えた！"
        else if {_r} is between 5 and 9:
            set {_location} to location of player
            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at {_location}
            broadcast "&8[&cGatya&8] &e%player%&cが&c&l弾3発&cに当選しました！"
            execute console command "scoreboard players add %player% bullet 3"
            send "&8[&cGatya&8] &e弾の数が3増えた！"
        else if {_r} is between 10 and 19:
            set {_location} to location of player
            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at {_location}
            broadcast "&8[&cGatya&8] &e%player%&cが&c&l弾1発&cに当選しました！"
            execute console command "scoreboard players add %player% bullet 1"
            send "&8[&cGatya&8] &e弾の数が1増えた！"
        else:
            set {_location} to location of player
            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at {_location}
            send "&8[&cGatya&8] &e残念、ハズレです..."
        {level.%player%}