: 
     

.      

    
             
           
             
.   

        

    ":      
".           

            
          
     :      
             
           
              
.   

            : 
            
                
.     

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

         :    
               
.         

             
          :  
    ;        
             
.        

        :  
            
            
              
.   

 :           
.           