on armor change:
    if player is wearing all leather armor:
        if player is wearing a leather helmet with lore "t":
            if player is wearing a leather chestplate with lore "t":
                if player is wearing a leather leggings with lore "t":
                    if player is wearing a leather boots with lore "t":
                        set {obrona.%player%} to 10
                        set {leatherArmor::%player%} to true
                        if {obrona.%player%} > 9:
                            set player's max health to 15
                            apply potion of speed 2 to player for 999999 seconds
    else if player is not wearing all leather armor:
        if {leatherArmor::%player%} is true:
            remove 10 from {obrona.%player%}
            set player's max health to 10
            remove speed from player
            set {leatherArmor::%player%} to false