 ,,,,,,,,,,,;

 ()
 = 0;
 = 0;
 = 0;

	 = ("");
	.();
	.();

		 = ..;
		 = ("10");

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

	  >  
		("  "++ "  !");
		(0);
	  =  
		 = -(*,2,1);
		 = (*,2,1);
		 = ;
	  <  
		 = (*(),2,1);
		 = (*,2,1);
		 = (*,2,1);;
	;


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

//_____________________________________________________________________________



// ********************
//
 ()
// 	  (,",,,,,")=0 
//		("  ");
//		;
//	;

	();
	 () = 1 

		.();
		.. = ;
		();
		
		 (()="20.04")  (()="20.05") 
			..=.;
			..=;
			..=;
		  ()="29" 
			..=.;
			..=;
		  ()="88.01" 
			..=;
		  ()="08.06" 
			..=;
		  ()="20.03" 
			..=.;
			..=;
		 (()="26.01")  (()="26.02") 
			..=;
		
			..=.;
			..=;
		;
		
		.. = ..;
		.. = ;
		.. = ;
		 (... = 1)  (... = 1) 
			. = ;
		;
		. = ;
		. = " ";
		. = "";
		. = ;
    
		();
		
	;

	. = "  ( )";
	. = ("");
	.();


