4

 

x
    
   .
x
     .
    
   .
x
      ,
   



x
    .  
    
 .
x
    
   
.

 

x
     
   
.
x
   , 
 -  "   
 .
     
  .     , 
      
    
  .
        
 .
      
     .
       
  .
    .

   

     
    :
 
 
     .
x              
.
     ,      
 .
         , 
         ,   
      .       ,
   ,   ,     .
 
  ....................................................................................3
 .................................................................................................4
 ....................................................................................................5
   ............................................................................8
 ..................................................................................................9
 ..............................................................................................11
 , ......................................................................................16
 ...............................................................................................21
 ..............................................................................................22