:  

    
      

 

       

 

.             
.                 
              
         .     
.            

           .  
    .          
             
       .        
            
   .           
.               

             
. " "              

            
          .    
             
          .   
.          

             
             
           .   
       .    
".            " :   

              
              
             
.   

       :        
            )
           (  
.            

              
              
.