! 1 3 (1) ,

(2) (3) .

, .

.

.

. -

.

.

.

. , .

;

___________________________________________________

;

___________________________________________________

-

. ! -

! ! !.

.

. -

. -

.

!, .

. -

; , .

.

, -

.

. !

;

_________________________________________________

;

_________________________________________________

-

.

.

. -

. , -

. -

.

,

.

.

-

!

,

.

;

___________________________________________________

;

___________________________________________________

3 .

.

.

.

.

.

.

67

.

.

,

6 7

.

1.

3.

2.

4.

1.