//   
 ();
	
	//      
	=();
	=();
	

//_____________________________________________________________________________ 

 ()
	 (. <> )  (.() = 1)  
		("   !!!",10);
		 = ""; 
	
		 = ?(.()<>1 , . , );
	

//_____________________________________________________________________________ 

//  
 ()
	 > 
		("  . ",30);
		=();
	;

//_____________________________________________________________________________ 


//   ""
 () 
 ;
 , ;

    =("       . ?",1,30);
	 =-1 
		;
	 =2 
		("  .","!");
		;
	
		(()+" -, -..."+); //      -
	;
	
	=(".");
		
	//   
	 =1 
		();
	;
	
	.(,);
	 .()>0 
		 .()=1  
		     .<> 
		        ;
		    ;
		;
		 .()=1  
		     .<> 
		        ;
		    ;
		;
		
		=.();
		.();
		("    "++"  "+.);
		
	;
	
     =1 

    	();
    ;
    (" .");
    

//_____________________________________________________________________________ 
 ()
	

