=
y = y
y = y
? = p
y p p = p ?
y ? = p
p ? = p
p ! = -p , y y py?
? = p p ?
? = , p?
= ?
= p
= OK, , y !
H , y = "y"
, p p = p p
, = 50 p, p
y? = y, y py p
( )py p = p yp
p = y p y - .
= H
H =
= H
=
H y = y
= p p p
=
H y p = y
, p = y,
= pp, !
= p
y , y = p p
y y = y
y = p, , ...
py = y !
? = p - p
yy p yy = py py py
? = , p
y = p
y?! = [ , ]
? = y , y?
py! = , py, y y, !
