on armor change:
    if player is wearing all leather armor:
        "%colour of player's helmet%" contains "white" 
        "%colour of player's chestplate%" contains "white"
        "%colour of player's leggings%" contains "white"
        "%colour of player's boots%" contains "white"
        set {obrona.%player%} to 10
        set {leatherArmor::%player%} to true
        if {obrona.%player%} > 9:
            set player's max health to 12
    else if player is not wearing all leather armor:
        if {leatherArmor::%player%} is true:
            remove 10 from {obrona.%player%}
            set {leatherArmor::%player%} to false
            set player's max health to 10