on join:
    set {zegarek.%player%} to false

command /buy [<text>]:
    trigger:
        if arg 1 is "zegarek":
            if player's balance is bigger than 250$:
            	remove 250$ from the player's balance
                set {zegarek.%player%} to true
                send "&aZakupiles zegarek!"
            else:
            	send "&cNie mozesz zakupic tego przedmiotu, poniewaz nie posiadasz 250$."