var global_var

func my_func(param)
begin
    var local_var, local_var2
    local_var := 1
    return local_var
end

var glob1, glob2

func main()
begin
    var main_local_var
    begin
        var main_local_nested_var
        main_local_nested_var := main_local_var + my_func(1)
    end
    return 0
end