foodid = 3725 -- id food
staminaHours = 50 -- ilosc godzin
staminaMinutes = 1 -- ilosc minut
backpack = 1 -- pierwszy bp
slot = 0 -- pierwszy slot

while(true) do
    if Self.Stamina() <= (staminaHours*60 + staminaMinutes) then
        if Self.ItemCount(foodid) > 0 then
            Container:UseItem(slot, backpack)
        end
    end
    wait(5000)
end