GUI 상점 스크립트 만들고 있는데 쉬프트 + 마우스 왼/오 가안돼요..

on inventory click:

    if name of current inventory of player is "&6&l[상점] &f: 농작물 상점":

        cancel event

        if clicked slot is 0:

            if "%click type%" contains "SHIFT_RIGHT":

                if player has 160 wheat:

                    remove 160 wheat from player

                    add 150 to {돈.%player's uuid%}

                    message "&a밀 160개를 150골드에 판매하였습니다!"

                    play sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 to player

                else:

                    message "&c밀(이)가 인벤토리에 존재하지 않습니다!"

                    play sound "BLOCK_ANVIL_PLACE" with volume 1 and pitch 1 to player

            else if "%click type%" contains "RIGHT":

                if player has 16 wheat:

                    remove 16 wheat from player

                    add 15 to {돈.%player's uuid%}

                    message "&a밀 16개를 15골드에 판매하였습니다!"

                    play sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 to player

                else:

                    message "&c밀(이)가 인벤토리에 존재하지 않습니다!"

                    play sound "BLOCK_ANVIL_PLACE" with volume 1 and pitch 1 to player

            else if "%click type%" contains "SHIFT_LEFT":

                if {돈.%player's uuid%} >= 150:

                    remove 150 from {돈.%player's uuid%}

                    give 160 wheat to player

                    message "&a150골드로 밀 160개를 구입하였습니다!"

                    play sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 to player

                else:

                    message "&c골드가 부족합니다! &f[&e당신의 골드 &f: %{돈.%player's uuid%}%]"

                    play sound "BLOCK_ANVIL_PLACE" with volume 1 and pitch 1 to player

            else if "%click type%" contains "LEFT":

                if {돈.%player's uuid%} >= 15:

                    remove 15 from {돈.%player's uuid%}

                    give 16 wheat to player

                    message "&a15골드로 밀 16개를 구입하였습니다!"

                    play sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 to player

                else:

                    message "&c골드가 부족합니다! &f[&e당신의 골드 &f: %{돈.%player's uuid%}%]"

                    play sound "BLOCK_ANVIL_PLACE" with volume 1 and pitch 1 to player