.
– ...
, , , , ... .
, . 3 , 1 , 2/3 , 1/2 . . . . . 30-40 . ()! . (1 1 ,) , , . .
. , . . . "".
– , ... , ,
"-" . , . !
"": 1 - ! ! 2 - "" 3 - "" 4 -