Oleg Sheremet(nice), Natalia Honcharyk(nice), Yevgen Chernolyev(nice), Inna Kyselova(nice), Dmytro Petrychenko(nice), Dmytro Petrychenko(interesting), Roman Yaremchuk(nice), Sergo Travelian(nice), Alexender Zabolotnyy(nice), Yakov Stepanov(nice), Yakov Stepanov(interesting), Andrey Mis\'kov(nice), Nataliya Kolisnichenko(nice), Nataliya Kolisnichenko(interesting), Vitaliy Mosienko(nice), Vitalii Kazannyk(nice), Nikola Zmievskiy(nice), Vasil Bodnar(nice)