a=0
b=0
c=0
d=0

write("shirna: ")
h=read()
h=tonumber(h)
h=h-1
d=d+h
write("dlina: ")
l=read()
l=tonumber(l)
l=l-1
function digi()
    turtle.digUp()
    turtle.digDown()
    turtle.dig()
    while turtle.detectUp() do
          turtle.digUp()
          os.sleep(0.5)
    end

    if turtle.getItemCount(15)>0 then
        turtle.digDown()
        turtle.down()
        turtle.digDown()
        turtle.select(1)
        turtle.placeDown()
            for h=1,15 do
            turtle.select(h+1)
            turtle.dropDown()
            end
        turtle.select(1)

        turtle.up()

        end

end

function turn()
    if l>0 then
        if a==0 then
            turtle.turnRight()
            digi()
            turtle.forward()
            turtle.turnRight()
            a=a+1
        else
            turtle.turnLeft()
            digi()
            turtle.forward()
            turtle.turnLeft()
            a=a-1
        end
        l=l-1
        h=h+d
        digger()
    end
end

function digger()

        while h>0 do
            digi()
            while turtle.detect() do
                turtle.dig()
                os.sleep(0.5)
            end
            turtle.forward()
            h=h-1
        end
        turn()
 end

digger()