interface Par<K, V> {
    public K hentNokkel();
    public V hentVerdi();
}

class OrdnetPar<K, V> implements Par<K, V> {

    private K nokkel;
    private V verdi;
    
    public OrdnetPar(K nokkel, V verdi) {
    this.nokkel = nokkel;
    this.verdi = verdi;
    }

    public K hentNokkel()    { return nokkel; }
    public V hentVerdi() { return verdi; }
}