template <class klase, class Iterator> void del(klase & t, Iterator const & begin, Iterator const & end)
{
    string tmp;
    cout << "Iveskite varda abonento kuri noretumete istrinti is duomenu bazes: " << endl;
    cin >> tmp;
    Iterator iterator = begin;
    while(iterator != end)
    {
        if (iterator->second.miestas == tmp)
        {
            t.erase(iterator);
            break;
        }
        iterator++;
    }
}

template <class klase1, class Iterator1> void del(klase1 & t, Iterator1 const & begin, Iterator1 const & end)
{
    string tmp;
    cout << "Iveskite varda abonento kuri noretumete istrinti is duomenu bazes: " << endl;
    cin >> tmp;
    Iterator1 iterator = begin;
    while(iterator != end)
    {
        if (iterator->vard == tmp)
        {
            t.erase(iterator);
            break;
        }
        iterator++;
    }
}