on rightclick holding paper:
    name of held item contains "§E1/10000"
    message "くじを引きました"
    remove 1 paper named "§E1/10000" from the player
    chance of 0.0001%:
        broadcast "/say %player% §Eさんが§A1/10000§Eを当てました"
        execute console command "/give @p minecraft:diamond 1 0 {display:{Name:"§E1/10000 の当選の証"},ench:[{id:0s,lvl:0s}],HideFlags:1}"
        send "おめでとう"