: 

     

   

     
            
           
             
           

        

           
              
            
.    

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

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

             
         :   
             
.             

            " "
             
      :       
            
           
             
           

         "  "  
             :
              
.       

            " "
            :   
             
              
.     