Dmytro Petrychenko(nice), Andrey Mis\'kov(nice), ALENA FOMINA(nice), Oleg Sheremet(nice), Nataliya Kolisnichenko(nice), Natalia Honcharyk(nice), Family Kuzhel(nice), Vsevolod Olenich(nice), Kirill Konopitsyn(nice), Yakov Stepanov(nice), Vitaliy Mosienko(nice), Yuriy Kodrul(nice), Irina Ortik(nice), Vasil Bodnar(nice), Vasil Bodnar(interesting)