on click on sign:  
    1 line of clicked block is [WYMIENIEXP30]:
        xp of player is more than 30:
            remove 30 from xp of player
            give 10 quartz named "&4Rubin" to player
    1 line of clicked block is [WYMIENIEXP60]:
        xp of player is more than 60:
            remove 60 from xp of player
            give 20 quartz named "&4Rubin" to player
    1 line of clicked block is [WYMIENIEXP90]:
        xp of player is more than 90:
            remove 90 from xp of player
            give 30 quartz named "&4Rubin" to player 
    1 line of clicked block is [Wymien1]:
        player contains 100 quartz named "&4Rubin":
            remove 100 quartz named "&4Rubin" from player
            give diamond pickaxe of efficiency 7 unbreaking 6 fortune 5 to player