 ,;

//_____________________________________________________________________________
 (, )
	 = ("");
	.();
	 = (());
	.();
	 .() = 1 
		 . <= () 
			 = ();
		;
	;
	 = .();
	 () = 2 
		 = ();
	;
	 = ;
	 () = 2 
		 = ();
	;

	  <>  
		. = ;
		. = ;
		.();
	;


//-----------------------------------------------------------------
 ()
	..(0);
	..(0);
	..(0);
	.(1);
	..(1, "");
	..(2, "");
	..(3, "");
	..(4, "");
	..(5, " ");
	..(6, "");
	..(7, "");
//	 = ?(.=2, 0, 1);
	 = .;
	 = .;
	 = .;
	 = ..(());
	 = ..(());
	 = ..(());
	 = .;;

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


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

	.();
	83 = (83.04);
	80 = (80);
	.(83,83.+" ("+83.+")");
	.(80,80.+" ("+80.+")");
    .(.(..(())));

	 = .;
	 = .;
	 = ..(());
//	 = .;
	 = (".");
	.(.);
	 = .();
	 = .;
	 = 1;
	.("1,",2);


//-----------------------------------------------------------------
 ()



//-----------------------------------------------------------------
 ()
//	. = ?(=1, 1, 2);

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

	("", );
	("", );
    ("", );
	("", );
	("", );



	("", );
	("", );
	("", );

    ("", );
    ("", );
    ("", );

	. = ;
	. = ;

	("", );
	. = ;

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


//-----------------------------------------------------------------
 ()
	.(""+()+",",2);


//-----------------------------------------------------------------
 (, )
	.(""+()+",",2);


//-----------------------------------------------------------------

 ()
	 =  - 1;
	  = 1 
		..(0);
	
		.(""+(())+",",2);
		..(1);
	;

//-----------------------------------------------------------------

 ()
	 =  + 1;
	    = 1 
		..(0);
	    = 2 
		 () = 0  
			("    !",4);
			 = 1;
			 ;
		;
		.(""+(())+",",2);
	    = 8 
		..(0);
	
		..(1);
		.(""+(())+",",2);
	;



.("", 2);
 = 1;
(1);
