//    
 ,;
 , , ; 
 , , , ;     
//_____________________________________________________________________________
 () 	
      =""  ; ;
      <> ..() 	    
	     ("  "++"       <>!"++
	    "    "+..()+"?",4)=6 
			 = ..();
		;	
	;
	  <> ..()		
		 ("  "++"       <>!"++
	    "    "+..()+"?",4)=6 
		     = ..();
		;	
	;
      
//_____________________________________________________________________________
 ()                     

	.(1);		   	
	 .(1)=1 
	     = .(.);
		  <>   ; ;
	   	.(2);
		 .(2)=1 
             = .(.);
              <>   ; ;
             = .("");
             = .("");
        	 =?(>0,/,0);
        ;                    
    ;                        

//_____________________________________________________________________________

 () 	
 =0;  =0;  =0;  =0;
	(); 
	 ()=1 
        ();                     
		 =  + *;
	     =  + *;
	     =  + *;
	     =  + *;
	;	
      
//_____________________________________________________________________________

 ()
     <>"" 
		 = ..();
	     = ..();
	
		 = 0;  = 0;		
	;

	  >0 
    	 = *;
    	 = *;
    	 =  +  + ; 
	
    	 = 0;  = 0;  = 0;
	;
    
     =  +  + ;
	 = ( - );
	//();

//_____________________________________________________________________________   
 ()                       
    ("",);
	();
//    ();  
 
//_____________________________________________________________________________   
 ()
//    ();
	();  
 
//_____________________________________________________________________________   
 ()
    ();
	();  
 
//_____________________________________________________________________________   
 ()
	();

//_____________________________________________________________________________   
 ()   
	=1;
	 = ..;  
    //..(0);

//_____________________________________________________________________________
 ()
	 =0;   =0;   =0;
	 =0;  =0;

	 = ("");  
	.(..);
    .(.,,1);
    .(.,,1);
    .(1,1);
    .(,?(=1,,()),("20.03"),,,,,1);

    //.("");
//	..(1);
	(1);  
    (); 	

//_____________________________________________________________________________
 ()
    
	//(); 
	// ()=1 
	//	  =""  
	//		(0); ; 
	//	;
    //;	
		
	(, );

	=",,,";
	 (, )=0 
	     ("   -   !");
	;
    
	//. = ("");
	. = ". "+;           

//_____________________________________________________________________________
 ()   


//_____________________________________________________________________________
