(in-package #:cl-user)

;;------------------------------Preferences------------------------------

(eval-when (:compile-toplevel :load-toplevel :execute)
  #+swank (declaim (optimize (speed 3) (safety 2)))
  #-swank (declaim (optimize (speed 3) (safety 0) (debug 0)))
  #+swank (load "~/ghq/github.com/motoshira/atcoder-submission/ac-tools/act.lisp")
  #+swank (ql:quickload :prove)
  #-swank (declaim (sb-ext:muffle-conditions sb-ext:compiler-note))
  #-swank (sb-ext:disable-debugger)
  (pushnew :inline-generic-funcion *features*))



;;---------------------------------Body---------------------------------

(in-package #:cl-user)

;; Functions for prime

(declaim (inline prime-factorize-to-list))
(defun prime-factorize-to-list (integer)
  ;; 素因数分解分解してリストで返す(昇順)
  (declare ((integer 0) integer))
  (the list
       (if (<= integer 1)
           nil
           (loop
              while (<= (* f f) integer)
              with acc list = nil
              with f integer = 2
              do
                (if (zerop (rem integer f))
                    (progn
                      (push f acc)
                      (setq integer (floor integer f)))
                    (incf f))
              finally
                (when (/= integer 1)
                  (push integer acc))
                (return (reverse acc))))))

(declaim (inline prime-p))
(defun prime-p (integer)
  (declare ((integer 1) integer))
  (if (= integer 1)
      nil
      (loop
         with f = 2
         while (<= (* f f) integer)
         do
           (when (zerop (rem integer f))
             (return nil))
           (incf f)
         finally
           (return t))))

(defun enumerate-divisor (k)
  (if (= k 1)
      (list 1)
      (labels ((sub (k d acc)
                 (cond
                   ((> (* d d)
                       k)
                    (sort acc #'<))
                   ((zerop (rem k d))
                    (sub k
                         (1+ d)
                         (if (= (* d d)
                                k)
                             (cons d acc)
                             (cons d
                                   (cons (floor k d)
                                         acc)))))
                   (t
                    (sub k
                         (1+ d)
                         acc)))))
        (sub k 1 nil))))


(declaim (inline println))
(defun println (obj &optional (stream *standard-output*))
  (let ((*read-default-float-format* 'double-float))
    (prog1 obj
      (princ obj stream)
      (terpri stream))))

(defun read-into (count &optional (result-type 'list) (reader #'read))
  (coerce (loop :repeat count :collect (funcall reader)) result-type))

(defun main ()
  (let ((xs (map 'list #'digit-char-p (read-line))))
    (println (sb-int:named-let rec ((xs xs)
                                    (tmp 0)
                                    (acc 0))
               (if (null xs)
                   (if (prime-p (+ acc tmp))
                       1
                       0)
                   (+ (if (or (plusp tmp)
                              (plusp acc))
                          (rec (rest xs)
                               (first xs)
                               (+ tmp acc))
                          0)
                      (rec (rest xs)
                           (+ (* tmp 10)
                              (first xs))
                           acc)))))))

#-swank (main)

#+swank
(defun run ()
  (let ((*standard-input*
          (make-string-input-stream
           (with-output-to-string (*standard-output*)
             (run-program
              (merge-pathnames "copy-or-paste" (truename "~/bin/"))
              '()
              :output *standard-output*)))))
    (main)))