:
     

 
.          
             
.     

 .      

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