:      

    
      

            

       

          
.        

         
           
        :    
            
.             

             
.            : 

            
          : 
.          

           :  
            
.          

 :           
            
            
.       

             
            :
.             

             
             :
           
.     

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

           
         :    
.           

 -            
             : 
              
.     

             : 
             
.        

            
.            

             
              
              
.

            
.          -  