with Ada.Text_IO;
with Ada.Integer_Text_IO;
with Ada.Float_Text_IO;
use Ada.Text_IO;
use Ada.Integer_Text_IO;
use Ada.Float_Text_IO;

procedure hoge is
 a: integer;
 b: integer;
 c: integer;
begin
 get(a);
 get(b);
 get(c);
 if a+b+c>=22 then
  put_line("win");
 else
  put_line("bust");
 end if;
end hoge;