 ,,,, ;
 ,,,,,,;
//_____________________________________________________________________________

// ()==============================================================
 ()
	 ;
	 = 1;
	 (.() = 0)  (1.() = 0)  (2.() = 0) 
		 = 0;
	;
	 () = 0 
		=0;
	
	 	=(".");
	 	.(.);
	 	 = .();
	 	.(.);
	 	 = .();
		();
		 () = 1 
	      <>  
				 (.() = 0)  (.() = 0)  ( = 0) 
					=0;
					;
				;
				 (( = ..) 
						 ( = ..) 
						 ( = ..)) 
						 (() = 1) 
					=0;
					;
				;
			;
		;
	;
	 = -100;
	  = 1 
		..(1);
	
		..(0);
	;

//  ()==========================================================
//_____________________________________________________________________________

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

	..();
	..();
	..();
	.N_.();
	._N__.();
	.N__.();
	._.();
	..();
	._.();
	..();
	._.();
	..();
	..();
	..();
	..();
	..();
	();

//_____________________________________________________________________________

 ()

	 = ..;
	 = 0;
	 = 1;
	 = ..;
	..(0);
	 . = .. 
		..(1);
	
		..(0);
	;
	 . = .. 
		..(1);
		..(1);
	
		..(0);
		..(0);
	;
	();

//_____________________________________________________________________________

 ()

//_____________________________________________________________________________

 ()
	();

//_____________________________________________________________________________

 ()      
	 = ("");
	.();
	(, ",,,");
	.("1,2", "3,4");  
	
	 = ("");
  .(..);
  .(..);
  .(..);
  .(..);
  .(..);
  .(..);
  .(..);
  .(..);
  .(..);

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

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

	1 = 1.();
	2 = 2.();

	 . = .. 
      = 1 
			 = 1;
		
			 = 0;
		;
		..(1);
		..(1);
	
     () = 0 
			 = 0;
		;
		..(0);
		..(0);
	;

	 . = .. 
		..(1);
	
		..(0);
	;

	();

//_____________________________________________________________________________

 ()
	..(1);

//_____________________________________________________________________________

// ()=====================================================================
 ()
	 = 0;
	 = 0;
	 		 = 0;
	 		 = 0;
	 	 = 0;
	 			 = ("");
	.();
	.();
	.(0); //   !  , -     .
		//
		  = .. 
			 = .(, "",, , 1);
			 = .(, "",, , 1);
		  = .. 
			 = .(, "",, , 1, 1);
			 = .(, "",, , 1, 1);
		 ( = ..) 
			      	( = ..) 
			      	( = ..) 
			 = .(, "",, , 1, );
			 = .(, "",, , 1, );
		  = .. 
			 = .(, "",, , 1);
			 = ?( > 0, 1, 0);
		  = .. 
			 = .(, "",, , 1, 1);
			 = 0; //.(, "",, , 1, 1);
		
			 = .(, "",, , 1);
			 = .(, "",, , 1);
		;
	.(1); //   !
	
	 ( = ..)  ( = ..) 
	     = ..();
		  = 0 
			(" " +  + "     " +  + " !");
			(0);
		;
	
		 = ?( > 0,(/,2,1),0);
	;
	.();
	 .() = 1 
		 				 = .(., 1);
		 = .(., 2);
		 ( = )  ( = ) 
	    	 = .(.,3);
	    	 = .(.,4);
	      ;
		;
	;
	 =  - ;

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

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

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

// ()===============================================================
 ()
	 .() = 1 
		 		 = ;
		 	 = ;
		 = 0;
		 		 = 0;
		.();
		(, ",,,");
		.("1,2", "3,4");
		 = ;
		 		 = ;
		 	 = 0;
		  = .. 
			 = "";
		  = .. 
			 = ..;
		
			 = .;
		;
	
		  = .. 
			 = ..;
		  = .. 
			 = ..;
		  = .. 
			 = ("002");
		  = .. 
			 = ("004");
		  = .. 
			 = ("003");
		  = .. 
			 = ("12.0"+(((.._,1)) + 2));
		  = .. 
			 = ("006");
		
			 = .._;
		;
		();
		 = ;
	;
                                                                        
// ()============================================================

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

//_____________________________________________________________________________

 ()
	 () <> 0 
		 ("  ,    ." +  + "?","+") = "" 
			();
			..(0);
		;
	;
	();

//_____________________________________________________________________________

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

//_____________________________________________________________________________

 ()
	  = 1 
		 = 1;
	
		 = 0;
	;

//_____________________________________________________________________________

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

//_____________________________________________________________________________

 ()
	 .() = 1 
		 .() <> 1 
			 = .;
		
			 = ;
		;
	;

//_____________________________________________________________________________

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

//_____________________________________________________________________________

 ()
	 = .;
	();

//_____________________________________________________________________________

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

//_____________________________________________________________________________

 2()
	2 = 2.();

//_____________________________________________________________________________


 ()
	.();
	(,",,,");
	.("1,2", "3,4");

//_____________________________________________________________________________

// (,)
//	 ( = "")  
//		 = 0;
//		 .(,,,,2) = 1 
//		();
//		;
//	;
//
//_____________________________________________________________________________

 ()
	();
	..(1);

//_____________________________________________________________________________

 ()
	();


//_____________________________________________________________________________
 (, , 1, 2)
	 () = 0 
		 = 1 + 2;
	
		 = 2;
	;
	 () = 0 
		 =  +  + ();
	;

//_____________________________________________________________________________
 ()
	 = "";
	(, ..(), "", ": ");
	(, ..(), ", ", ".: ");
	 = ("");
	.(() + "\mxl\nakl_vn.mxl");
	.("|_1");
	 . = .. 
    .("|_2");
	;
  .("|_3");

	();
	 = 0;
	 () = 1 
		 =  + 1;
		  = .. 
			 = "";
		
			 = .;
		;
		.("1|_1");
		 . = .. 
    	.("1|_2");
		;
    .("1|_3");
	;
	  <> 0 
		.("2|_1");
	 . = .. 
    .("2|_2");
	;
    .("2|_3");
	;
	.("|_1");
	 . = .. 
   	.("|_2");
	;
  .("|_3");
	.(0, 0, 0, 0, "");
	.(0);
	.(" ", "");

//_____________________________________________________________________________

// ()=============================================================
 ()
	 (.() = 1)  (.() <> 1) 
		 = .;
	;

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

 = 0;