:       

!   

      .        
   .        
.         

 

   -   

           :()  
     .       
.               
    .         
              
.           . 
              
                
.    

    .         
       .        
            
          .   
  .           
              
         .     
         .     
.              

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

             
             .
          .    
            
       .     
             
.   