ALENA FOMINA(nice), Andrey Mis\'kov(interesting), Nikola Zmievskiy(nice), Nikola Zmievskiy(interesting), Natalia Honcharyk(nice), Dmytro Petrychenko(interesting), Roman Yaremchuk(nice), Kostiantyn Pylypiuk(nice), Kostiantyn Pylypiuk(interesting), Nataliya Kolisnichenko(interesting), Family Kuzhel(nice), Family Kuzhel(interesting), Vsevolod Olenich(nice), A. Zhuravel(nice), Kirill Konopitsyn(interesting), Irina Ortik(nice), Yakov Stepanov(nice), Yakov Stepanov(important), Yakov Stepanov(interesting)