Vlad Gedziuk(interesting), Andrey Mis\'kov(nice), Natalia Honcharyk(interesting), Svitlana Yemelyanova(interesting), ALENA FOMINA(interesting), Nikola Zmievskiy(interesting), Vsevolod Olenich(interesting), Kostiantyn Pylypiuk(nice), Kostiantyn Pylypiuk(interesting), Irina Ortik(nice), Yakov Stepanov(interesting), Vasil Bodnar(interesting)