Special thanks to
the students of the form 11-B of specialized school #80:
A.Artemenko, M.Parats, A.Kozachenko, O.Ladanay, R.Postoy, K.Yakunenko
and
the students of the form 8-B of specialized school #80:
A.Bulckina, A.Ganopolska, A.Lebedeva, S.Nikitina, T.Tsarenok
Most work has been done by A.M.K., the teacher of specialized school #80