# asserts
///////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
;
////////////////////////////////////////////////////////////////////
//
()
= ;
= ;
.("_");
.("_");
.("_");
.("_");
;
_()
= ;
.();
= 10;
> 0
.();
= - 1;
;
= ();
= ();
.(()).((""));
.(.(), " ").(.());
.(.(), " ").(.());
= 0 .()
.([], " ").([]);
;
_()
= ;
= 10;
> 0
.();
= - 1;
;
= ();
.(()).((""));
.(.(), " ").(.());
.(.(), " ").(.());
= 0 .()
.([], " ").([]);
;
_()
= ;
= 10;
> 0
.();
= - 1;
;
= ();
[0] = 0;
.([0], " ").(10);
.();
.(.(), " ").(10);
[0] = 5;
.([0], " ").(10);
(). = " "
;
;
;
;
" ";
_()
= ( );
.(0);
= ;
= ;
;
" !";
;
.(0, 0);
= ;
= ;
;
" !";
;
.(0);
= ;
= ;
;
" !";
;
.();
= ;
= ;
;
" !";
;