module: Main
    import: os
    globals:
        declare num2:int=10
    function: main
        return_type: void
        body:
            declare num1:int=11
            os.print(num1+num2+abc())
        end body
    end function

    function: abc
        return_type: int
        body:
            return 1
        end body
    end function

end module