//  
 00;
//*****************************************************************************
// ()
//
//  :
//   1   0 -   
//
// 
//              
//
 ()
	//         
	 ( = 0)  ( = 0)  ( = 0) 
	     1;
	;    
	
	.();
	//   
	 . = 1  //
		 = .;
		 = .;
		 = 1;
     . = 2  //
		 = .;
		 = .;
		 = -1;
	 ( < 0)  (( = 0)  ( < 0))  
			  (( = 0)  ( = 0)  ( < 0)) 
		 = .;
		 = .;
		 = -1;
	
		 = .;
		 = .;
		 = 1;
	;
	 ((2) <> "") 
	 (2.() = "") 
		 2.() <>1  
			2 = 2.;
		;
	;
   
	 ((3) <> "") 
	 (3.() = "") 
		 3.() <>1  
			3 = 3.;
		;
	;
	 ((4) <> "") 
	 (4.() = "") 
		 4.() <>1  
			4 = 4.;
		;
	;
                                 
	. = ;
	.(1,1);
	.(2,2);
	.(3,3);
	.(4,4);

	 . = 0 
	    . = 00;
	;
	
	 . = 1 
		. = ;  
	;
	
	. = ;
	. = *;
	. = *;
	. = *;
	. = "00";
	. = ();
	
	 1;
 //        

//*********************************************
//*********************************************
//
 ()

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

//*********************************************
//*********************************************
00 = ("00");
