:  

     

       "

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

       



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

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

              
.  

            
  ;          " :  
             
".         

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

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