#-swank
(unless (member :child-sbcl *features*)
  (quit
   :unix-status
   (process-exit-code
    (run-program *runtime-pathname*
                 `("--control-stack-size" "128MB"
                   "--noinform" "--disable-ldb" "--lose-on-corruption" "--end-runtime-options"
                   "--eval" "(push :child-sbcl *features*)"
                   "--script" ,(namestring *load-pathname*))
                 :output t :error t :input t))))
(eval-when (:compile-toplevel :load-toplevel :execute)
  (sb-int:defconstant-eqx OPT
    #+swank '(optimize (speed 3) (safety 2))
    #-swank '(optimize (speed 3) (safety 0) (debug 0))
    #'equal)
  #+swank (ql:quickload '(:cl-debug-print :fiveam) :silent t)
  #-swank (set-dispatch-macro-character
           ;; enclose the form with VALUES to avoid being captured by LOOP macro
           #\# #\> (lambda (s c p) (declare (ignore c p)) `(values ,(read s nil nil t)))))
#+swank (cl-syntax:use-syntax cl-debug-print:debug-print-syntax)
#-swank (disable-debugger) ; for CS Academy

;; BEGIN_INSERTED_CONTENTS
(defmacro with-buffered-stdout (&body body)
  "Buffers all outputs to *STANDARD-OUTPUT* in BODY and flushes them to
*STANDARD-OUTPUT* after BODY has been done (without error). Note that only
BASE-CHAR is allowed."
  (let ((out (gensym)))
    `(let ((,out (make-string-output-stream :element-type 'base-char)))
       (let ((*standard-output* ,out))
         ,@body)
       (write-string (get-output-stream-string ,out)))))

(macrolet ((def (name fname)
             `(define-modify-macro ,name (new-value) ,fname)))
  (def minf min)
  (def maxf max)
  (def mulf *)
  (def divf /)
  (def iorf logior)
  (def xorf logxor)
  (def andf logand))

(declaim (ftype (function * (values fixnum &optional)) read-fixnum))
(defun read-fixnum (&optional (in *standard-input*))
  "NOTE: cannot read -2^62"
  (declare #.OPT)
  (macrolet ((%read-byte ()
               `(the (unsigned-byte 8)
                     #+swank (char-code (read-char in nil #\Nul))
                     #-swank (sb-impl::ansi-stream-read-byte in nil #.(char-code #\Nul) nil))))
    (let* ((minus nil)
           (result (loop (let ((byte (%read-byte)))
                           (cond ((<= 48 byte 57)
                                  (return (- byte 48)))
                                 ((zerop byte) ; #\Nul
                                  (error "Read EOF or #\Nul."))
                                 ((= byte #.(char-code #\-))
                                  (setq minus t)))))))
      (declare ((integer 0 #.most-positive-fixnum) result))
      (loop
        (let* ((byte (%read-byte)))
          (if (<= 48 byte 57)
              (setq result (+ (- byte 48)
                              (* 10 (the (integer 0 #.(floor most-positive-fixnum 10))
                                         result))))
              (return (if minus (- result) result))))))))

(defmacro dbg (&rest forms)
  #+swank
  (if (= (length forms) 1)
      `(format *error-output* "~A => ~A~%" ',(car forms) ,(car forms))
      `(format *error-output* "~A => ~A~%" ',forms `(,,@forms)))
  #-swank (declare (ignore forms)))

(defmacro define-int-types (&rest bits)
  `(progn
     ,@(mapcar (lambda (b) `(deftype ,(intern (format nil "UINT~A" b)) () '(unsigned-byte ,b))) bits)
     ,@(mapcar (lambda (b) `(deftype ,(intern (format nil "INT~A" b)) () '(signed-byte ,b))) bits)))
(define-int-types 2 4 7 8 15 16 31 32 62 63 64)

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

(defconstant +mod+ 1000000007)

;;;
;;; Body
;;;

(defconstant +pos-inf+ #x7fffffff)
(defconstant +neg-inf+ #x-8000000)

(declaim (inline same-parity-p))
(defun same-parity-p (x y)
  (evenp (+ x y)))

(defun main ()
  (declare #.OPT)
  (let* ((n (read))
         (graph (make-array n :element-type 'list :initial-element nil))
         (ps (make-array n :element-type 'int32 :initial-element -1)))
    (dotimes (i (- n 1))
      (let ((a (- (read-fixnum) 1))
            (b (- (read-fixnum) 1)))
        (push a (aref graph b))
        (push b (aref graph a))))
    (let ((k (read))
          (los (make-array n :element-type 'int32 :initial-element +neg-inf+))
          (his (make-array n :element-type 'int32 :initial-element +pos-inf+))
          (res (make-array n :element-type 'int32)))
      (dotimes (i k)
        (let ((v (- (read-fixnum) 1))
              (p (read-fixnum)))
          (setf (aref ps v) p)))
      (labels ((no () (write-line "No") (return-from main))
               (dfs-up (v parent)
                 (declare (int32 v parent))
                 (let ((lo +neg-inf+)
                       (hi +pos-inf+))
                   (declare (int32 lo hi))
                   (dolist (child (aref graph v))
                     (unless (= child parent)
                       (multiple-value-bind (child-lo child-hi) (dfs-up child v)
                         (when (and (/= lo +neg-inf+)
                                    (/= child-lo +neg-inf+)
                                    (not (same-parity-p (- child-lo 1) lo)))
                           (no))
                         (maxf lo (- child-lo 1))
                         (minf hi (+ child-hi 1)))))
                   (unless (= (aref ps v) -1)
                     (unless (<= lo (aref ps v) hi)
                       (no))
                     (setq lo (aref ps v)
                           hi (aref ps v)))
                   (when (> lo hi)
                     (no))
                   (setf (aref los v) lo
                         (aref his v) hi)
                   (values lo hi)))
               (dfs-down (v parent parent-value)
                 (let* ((lo (aref los v))
                        (hi (aref his v))
                        (value (cond ((<= lo (- parent-value 1) hi)
                                      (- parent-value 1))
                                     ((<= lo (+ parent-value 1) hi)
                                      (+ parent-value 1))
                                     (t (error "Huh?")))))
                   (setf (aref res v) value)
                   (dolist (child (aref graph v))
                     (unless (= child parent)
                       (dfs-down child v value))))))
        (dfs-up 0 -1)
        (dfs-down 0 -1 (+ 1 (aref los 0)))
        (write-line "Yes")
        (with-buffered-stdout
          (map () #'println res))))))

#-swank (main)

;;;
;;; Test and benchmark
;;;

#+swank
(defun io-equal (in-string out-string &key (function #'main) (test #'equal))
  "Passes IN-STRING to *STANDARD-INPUT*, executes FUNCTION, and returns true if
the string output to *STANDARD-OUTPUT* is equal to OUT-STRING."
  (labels ((ensure-last-lf (s)
             (if (eql (uiop:last-char s) #\Linefeed)
                 s
                 (uiop:strcat s uiop:+lf+))))
    (funcall test
             (ensure-last-lf out-string)
             (with-output-to-string (out)
               (let ((*standard-output* out))
                 (with-input-from-string (*standard-input* (ensure-last-lf in-string))
                   (funcall function)))))))

#+swank
(defun get-clipbrd ()
  (with-output-to-string (out)
    (run-program "powershell.exe" '("-Command" "Get-Clipboard") :output out :search t)))

#+swank (defparameter *this-pathname* (uiop:current-lisp-file-pathname))
#+swank (defparameter *dat-pathname* (uiop:merge-pathnames* "test.dat" *this-pathname*))

#+swank
(defun run (&optional thing (out *standard-output*))
  "THING := null | string | symbol | pathname

null: run #'MAIN using the text on clipboard as input.
string: run #'MAIN using the string as input.
symbol: alias of FIVEAM:RUN!.
pathname: run #'MAIN using the text file as input."
  (let ((*standard-output* out))
    (etypecase thing
      (null
       (with-input-from-string (*standard-input* (delete #\Return (get-clipbrd)))
         (main)))
      (string
       (with-input-from-string (*standard-input* (delete #\Return thing))
         (main)))
      (symbol (5am:run! thing))
      (pathname
       (with-open-file (*standard-input* thing)
         (main))))))

#+swank
(defun gen-dat ()
  (uiop:with-output-file (out *dat-pathname* :if-exists :supersede)
    (format out "")))

#+swank
(defun bench (&optional (out (make-broadcast-stream)))
  (time (run *dat-pathname* out)))

;; To run: (5am:run! :sample)
#+swank
(it.bese.fiveam:test :sample
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "5
1 2
3 1
4 3
3 5
2
2 6
5 7
"
    "Yes
5
6
6
5
7
"))
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "5
1 2
3 1
4 3
3 5
3
2 6
4 3
5 7
"
    "No
"))
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "4
1 2
2 3
3 4
1
1 0
"
    "Yes
0
-1
-2
-3
")))


Measured memory_bytes: 57528