static public void Menu_add_in(ref Bank bank, ref Client client)
{
bank.Balaance_sync(client.put_maney_from_acc());
Menu_Balance(ref bank, ref client);
}
}//done
static public void Menu_take_out(ref Bank bank, ref Client client)
{
bank.Balaance_sync(client.take_maney_from_acc());
Menu_Balance(ref bank, ref client);
}