.erlang example

gistfile1.erl

begin
    BaseDir = "C:/opt/erllibs",
    lists:foreach(
        fun(Dir) ->
            Ebin = filename:join([BaseDir, Dir, "ebin"]),
            case filelib:is_dir(Ebin) of
                true -> code:add_patha(Ebin);
                false -> ok
            end
        end,
        case file:list_dir(BaseDir) of
            {ok, SubDirs} -> SubDirs;
            _ -> []
        end
    )
end.

Can you write "money denomination" code in erlang Language ?