on rightclick on entity:
        entity's display name is "Kotler":
                open chest with 4 rows named "      &2&l* &8&lPrzydatny &7&lBajzel &2&l*" to player
                wait 2 tick
                if inventory name of player's current inventory is "      &2&l* &8&lPrzydatny &7&lBajzel &2&l*":
                        loop 36 times:
                                format slot loop-number -1 of player with 1 of gray stained glass pane named " " to be unstealable

                        format slot 23 of player with Elytra named "&6&l* &e&lPe&f&lrlo&e&lwe &e&lSk&f&lrzy&e&ldla &6&l*" with lore "||&eKoszt: &a225x &e&lPEARL" to close then run "swid1baj %player%"
                        format slot 24 of player with IRON BARDING with lore "||&eKoszt: &a16x &b&lDIAMOND BLOCK","&eKoszt: &a16x &b&lIRON BLOCK"to close then run "swid2baj %player%"


command swid1baj [<player>]:
        trigger:
                wait 1 tick
                if arg 1 has 125 slimeball of unbreaking 10 named "&e&lPEARL":
                        remove 125 slimeball of unbreaking 10 named "&e&lPEARL" from the arg 1
						remove 125 slimeball of unbreaking 10 named "&e&lPEARL" from the arg 1
                        give 1 paper named "&2Ku&3po&5n n&6a k&1ol&aor&bow&ca l&dit&eer&fke*" to arg 1
                else:
                        send "&aNie posiadasz odpowiednich przedmiotow" to arg 1

command swid2baj [<player>]:
        trigger:
                wait 1 tick
                if arg 1 has 16 diamound_block:
                        remove 16 diamound_block from the arg 1
                        give 1 IRON_BARDING to arg 1
                else:
                        send "&aNie posiadasz odpowiednich przedmiotow" to arg 1