(use util.match)

(define (read-list n)
  (cond [(zero? n) '()]
        [else (let1 x (read)
                    (cons x (read-list (- n 1))))]))

(define (solve l)
  (match l
         [(_ _ _ 1) 'SURVIVED]
         [(0 0 _ _) 'SURVIVED]
         [(0 _ 0 _) 'SURVIVED]
         [(_ 0 0 _) 'SURVIVED]
         [_ 'DEAD]))

(define (main args)
  (let1 l (read-list 4)
        (print (solve l)))
  0)