 ()
	 ;


 () 
	=("");
	=("");
	
	 =1  ().() 
		="";
		=().(,);
		 ()="" 
			=((), , "\n");
		;
		
		.(());
		//(".    "+());
		.(());
		//(". -   "+());
		
		.(.());
		.();
	;
	
	 .();


 () 
	 ();


 () 
	//("  : "+);
	=("");
	=("");
	                                     
	().();

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


 () 
	();


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


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


 () 
	().();
	
	.();
	 .()=1 
		().(.,.);
	;


 (=0, =0) 
	 =0 
		=("");
	;
	 =0 
		.();
		.("");
		.("","");
	
		=0;
		=0;
		 =1  .() 
			=.();
			 ="" 
				=1
			 ="" 
				=1;
			;
		;
		
		 =0 
			.("");
		;
		 =0 
			.("");
		;
	;

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


 (,) 
	().();
	 =1  .() 
		=.(,);
		=.();
		().(,);
	;


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

