on rightclick on piston:
    if player has 10 gold ingot:
        chance of 25%:
            remove 10 gold ingot from player's inventory
            give 1 diamond named "<red>Diament" to the player
            send "&9Dostales &b&oDiament"
        chance of 25%:
            remove 10 gold ingot from player's inventory
            give 1 enchanted golden apple named "<red>Super Zlote Jablko" to the player
            send "&9Dostales &6&oSuper Zlote Jablko"
    else:
        send "&cNie mozesz tego uzyc, poniewaz nie masz 10 sztabek &6zlota&c!"