     
!    
      :  
        

       

        " "
             
               
.        
 " "       
.         
 " "         
         
. 
           
.       
                 
.        
          
     " "      
          " "
.             

      :  
           " "
""   :     
.       
             
           
      : () 
.         
  :         
           
.      
         :  
.   
           
         
             
.     
             
          
.         
           
           
.    
            
.          

        
"          
       ""   "
.     
           
             
.    
          
          
           
            .
            
             
.   
            
.       
          
.         