Oleg Sheremet(nice), Dmytro Petrychenko(nice), Andrey Mis\'kov(nice), Philippe Campeau(nice), Alexender Zabolotnyy(nice), Vsevolod Olenich(nice), Inna Kyselova(nice), Vitaliy Mosienko(nice), Family Kuzhel(nice), Yevgen Chernolyev(nice), Kirill Konopitsyn(nice), Nataliya Kolisnichenko(nice), Yakov Stepanov(nice), Irina Ortik(nice), Natalia Honcharyk(nice), Natalia Honcharyk(interesting)