: 
    

     

            
             
              
               
              
.      

       



           
.       

            
:

             
           
            
.  

            :  
   ;           
.         

             :  
             
              
               
              
.      

             :  
             
             
               
              
             
          
     .         
            
.            

             : 
              
             
             
          .    
               
.

              
     .       
            
             
               
                 
             
           ;  
                
               
. 

              
       .       
              
                
              
             
.    