Procedure DeleteNode(var h:Dlist; k:integer);
var q:dlist;
i:integer;
begin
  i:=1;
  writeln ('vvedite nomer k:');
  readln (k);
  if h=nil then writeln ('spisok pust')
  else
  begin
	 q:=h^.next;
	 while (q<>h) and (i<k) do
	 begin
	   q:=q^.next;
	   inc(i);
	   end;
	 if i<>k then
	 writeln ('nepravilniy nomer')
	 else
	 if q^.next=q then
	  begin
	  h:=nil;
	  dispose(q);
	  end
	 else
	 begin
	 if q=h then
	 p:=p^.next;
	 q^.prev^.next:=q^.next;
	 q^.next^.prev:=q^.prev;
	 dispose (q);
	 end;
	 end;
end;