Harryxun/stf_run huggingface dataset:
def wa(h, w, f):
    if not (0 <= h <= H-1 and 0 <= w <= W-1):
        return
    elif mapp[h][w] != f:
        return
    else:
        mapp[h][w] = '$'
        wa(h, w+1, f)
        wa(h-1, w, f)
        wa(h, w-1, f)
        wa(h+1, w, f)

while True:
    H, W = map(int, raw_input().split(' '))
    if H == 0 and W == 0: break
    mapp = [list(raw_input()) for i in range(H)]
    count = 0
    for h in range(H):
        for w in range(W):
            if mapp[h][w] == '@':
                count += 1
                wa(h, w, '@')
            elif mapp[h][w] == '#':
                count += 1
                wa(h, w, '#')
            elif mapp[h][w] == '*':
                count += 1
                wa(h, w, '*')
    else:
        print count

### FIXED CODE ###

import sys
sys.setrecursionlimit(20000)
def wa(h, w, f):
    if not (0 <= h < H and 0 <= w < W):
        return
    elif mapp[h][w] != f:
        return
    else:
        mapp[h][w] = '$'
        wa(h, w+1, f)
        wa(h-1, w, f)
        wa(h, w-1, f)
        wa(h+1, w, f)

while True:
    H, W = map(int, raw_input().split())
    if H == 0 and W == 0: break
    mapp = [list(raw_input()) for i in range(H)]
    count = 0
    for h in range(H):
        for w in range(W):
            if mapp[h][w] == '@':
                count += 1
                wa(h, w, '@')
            elif mapp[h][w] == '#':
                count += 1
                wa(h, w, '#')
            elif mapp[h][w] == '*':
                count += 1
                wa(h, w, '*')
    else:
        print count
S = input()
L = S.split()

a = L[0]
b = L[1]
c = L[2]

a = int(a)
b = int(b)
c = int(c)
l = [a,b,c]
    
min_1 = min(a,b,c)
# print l.remove(min_1)
l.remove(min_1)

min_2 = min(l)

l.remove(min_2)

min_3 = l[0]

min_1 = str(min_1)
min_2 = str(min_2)
min_3 = str(min_3)

print min_1+' '+min_2+' '+min_3

### FIXED CODE ###

S =raw_input()
L = S.split()

a = L[0]
b = L[1]
c = L[2]

a = int(a)
b = int(b)
c = int(c)
l = [a,b,c]
    
min_1 = min(a,b,c)
# print l.remove(min_1)
l.remove(min_1)

min_2 = min(l)

l.remove(min_2)

min_3 = l[0]

min_1 = str(min_1)
min_2 = str(min_2)
min_3 = str(min_3)

print min_1+' '+min_2+' '+min_3
def dfs(v, p, d):
	global D
	global S
	D[v-1] = d
	for g in G[v-1]:
		if S[g[0]-1]==0:
			continue
		S[g[0]-1] = 0
		dfs(g[0], v, d+g[1])

N = int(input())
G = [[] for _ in range(N)]
for _ in range(N-1):
	a, b, c = map(int, input().split())
	G[a-1].append([b, c])
	G[b-1].append([a, c])

S = [-1]*N
Q, K = map(int, input().split())
S[K-1] = 0
D = [0]*N
dfs(K, -1, 0)
for _ in range(Q):
	x, y = map(int, input().split())
	print(D[x-1] + D[y-1])


### FIXED CODE ###

import heapq
import sys
input = sys.stdin.readline


def dijkstra_heap(s, n, edge):
    #始点sから各頂点への最短距離
    d = [float("inf")] * n
    used = [True] * n #True:未確定
    d[s] = 0
    used[s] = False
    edgelist = []
    for e in edge[s]:
        heapq.heappush(edgelist,e)
    while len(edgelist):
        minedge = heapq.heappop(edgelist)
        #まだ使われてない頂点の中から最小の距離のものを探す
        if not used[minedge[1]]:
            continue
        v = minedge[1]
        d[v] = minedge[0]
        used[v] = False
        for e in edge[v]:
            if used[e[1]]:
                heapq.heappush(edgelist,[e[0]+d[v],e[1]])
    return d


def main():
    N = int(input())

    edge = [[] for i in range(N)]
    for _ in range(N-1):
        a, b, c = map(int, input().split())
        a -= 1
        b -= 1
        edge[a].append([c,b])
        edge[b].append([c,a])
    
    Q, K = map(int, input().split())
    K -= 1
    D = dijkstra_heap(K, N, edge)

    for _ in range(Q):
        x, y = map(int, input().split())
        x -= 1
        y -= 1
        print(D[x]+D[y])


if __name__ == '__main__':
    main()
N, D = map(int,input())

watch = D * 2 + 1

ans = ( N + watch - 1 ) // watch

print(ans)

### FIXED CODE ###

N, D = map(int,input().split())
 
watch = D * 2 + 1
 
ans = ( N + watch - 1 ) // watch
 
print(ans)
s, w = map(int, input().split())

if s < w
    out = 'unsafe'
else
    out = 'safe'

print(out)

### FIXED CODE ###

s, w = map(int, input().split())

if s <= w:
  print("unsafe")
else:
  print("safe")
import sys
N = int(sys.stdin.readline())
a_list = list(map(int, sys.stdin.readline().split()))

result = 0
for index in range(N):
    if (index + 1) % 2 == 1:
        if a_list[index] % 2 == 1:
            result += 1
        
print(result)
        



### FIXED CODE ###

import sys
L,R,d = map(int, sys.stdin.readline().split())
# L=5
# R=10
# d=2
result = 0
for index in range(L,R+1):
    if index % d == 0:
        result += 1
        
print(result)
from math import *
PI = 3.1415926535898
while True:
    try:
    	a, b, x, y = map(float, raw_input().strip().split(' '))
    	print pow((a-x)*(a-x)+(b-y)*(b-y), 0.5)
    except EOFError:
        break

### FIXED CODE ###

from math import *
PI = 3.1415926535898
while True:
    try:
    	k = raw_input()
    	if len(k) > 0:
	    	a, b, x, y = map(float, k.strip().split(' '))
	    	print pow((a-x)*(a-x)+(b-y)*(b-y), 0.5)
    except EOFError:
        break
#001
a = raw_input()
a=a.replace(',',' ')
print(a)

### FIXED CODE ###

#001
a = raw_input()
a=a.replace(',',' ')
print(a)
a,s=map(int,input().spit())
if s%a:
  print(s-a)
else:
  print(a+s)

### FIXED CODE ###

a,s=map(int,input().split())
if s%a:
  print(s-a)
else:
  print(a+s)
# -*- coding: utf-8 -*-
def main():
    N = int(input())
    A = [int(i) for i in input().split()]
    ans = []
    for _ in range(N):
        ans.append(0)
    for i in A:
        ans[A[i]-1]+=1
    for j in ans:
        print(j)
if __name__ == '__main__':
    main()

### FIXED CODE ###

# -*- coding: utf-8 -*-
def main():
    N = int(input())
    A = [int(i) for i in input().split()]
    ans = []
    for _ in range(N):
        ans.append(0)
    for i in A:
        ans[i-1]+=1
    for j in ans:
        print(j)
if __name__ == '__main__':
    main()
def calc():
	n = int(input())
	a = list(map(int, input().split()))
    dp = [[0] * n for _ in range(n)]
    for i in range(n):
        dp[i][i] = a[i]

    for i in range(n - 2, -1, -1):
        for j in range(i + 1, n):
            dp[i][j] = max(a[i] - dp[i + 1][j], a[j] - dp[i][j - 1])
    return dp[0][n-1]

print(calc())

### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
dp = [[0] * n for _ in range(n)]
for i in range(n):
    dp[i][i] = a[i]

for i in range(n - 2, -1, -1):
    for j in range(i + 1, n):
        dp[i][j] = max(a[i] - dp[i + 1][j], a[j] - dp[i][j - 1])

print(dp[0][n - 1])
a,b=map(int,input().split())
c=a//(2b+1)+1
print(c)

### FIXED CODE ###

n, d = map(int, input().split())
if n%(2*d+1) == 0:
    print(n//(2*d+1))
else:
    print(n//(2*d+1)+1)
s=input()



"""
◆エッセンス1：割り切れるとは、二つに分けた数字のmodが一緒
例)
1817181712114の
18171が2019で割り切れるかどうかを判断する。

18171は(181712114-2114)/10000となるので、
181712114mod2019＝2114mod2019の時、2019で割り切れる。

1817181712114mod2019
 817181712114mod2019
  17181712114mod2019
   7181712114mod2019
    181712114mod2019
     81712114mod2019
      1712114mod2019
       712114mod2019
    　　・・・・
とmodを調べていき、値が同じペアは割り切れる。
"""

"""
◆エッセンス2：大きい数字は都度modを取る

これだけでもループは1回になるんだけど、
|S|が長すぎてTLEとなってしまう（|S|は10**5）
1234567 mod 2019
=(1*10**7)mod2019 + (234567mod2019)
=(1*10mod2019 * 10**6mod2019)+ (234567mod2019)

10**nを毎回modを取ることで、計算する数字の長さを短くする。

"""



#modの値を保持する配列
cnt=[0]*2019
#mod2019 =0 は、それ一つで割り切れるので。引き算をする必要が無い。
cnt[0]=1

#10の倍数を保持する
fac=1

for i in range(len(s)):
    #後ろの数字から順番にとってくる
    ss = int(s[len(s)-i-1])*fac
    ss%=2019
    fac=fac*10
    fac%=2019
    cnt[ss]+=1

result=0
for c in cnt:
    result+=cnt*(cnt-1)//2

print(result)





### FIXED CODE ###

s=input()



"""
◆エッセンス1：割り切れるとは、二つに分けた数字のmodが一緒
例)
1817181712114の
18171が2019で割り切れるかどうかを判断する。

18171は(181712114-2114)/10000となるので、
181712114mod2019＝2114mod2019の時、2019で割り切れる。

1817181712114mod2019
 817181712114mod2019
  17181712114mod2019
   7181712114mod2019
    181712114mod2019
     81712114mod2019
      1712114mod2019
       712114mod2019
    　　・・・・
とmodを調べていき、値が同じペアは割り切れる。
"""

"""
◆エッセンス2：大きい数字は都度modを取る

これだけでもループは1回になるんだけど、
|S|が長すぎてTLEとなってしまう（|S|は10**5）
1234567 mod 2019
=(1*10**7)mod2019 + (234567mod2019)
=(1*10mod2019 * 10**6mod2019)+ (234567mod2019)

10**nを毎回modを取ることで、計算する数字の長さを短くする。

"""



#modの値を保持する配列
cnt=[0]*2019
#mod2019 =0 は、それ一つで割り切れるので。引き算をする必要が無い。
cnt[0]=1

#10の倍数を保持する
fac=1
ss=0
for i in range(len(s)):
    #後ろの数字から順番にとってくる
    ss += int(s[len(s)-i-1])*fac
    ss%=2019
    fac=fac*10
    fac%=2019
    cnt[ss]+=1
    

result=0
for c in cnt:
    result+=c*(c-1)//2

print(result)
N = int(input())
a = [0 for i in range(N)]
for i in range(N):
    a[i] = int(input())
dp = [0 for i in range(N + 1)]
dp[0] = 0
for i in range(N):
    dp[i + 1] = (dp[i] + a[i]) % 2
if dp[i] == 1:
    print("first")
elif dp[i] == 0:
    if a[i] % 2 == 0:
        flag = 0
        for i in range(N):
            if a[i] == 1:
                flag = 1
        if flag == 1:
            print("first")
        else:
            print("second")
    else:
        print("first")

### FIXED CODE ###

N = input()
count = 0
for i in range(len(N)):
    if N[i] == '2':
        count += 1
print(count)
def f(x):
    if x==1:return 1
    return 2*f(x//2)+1

H = int(input())
print(H(n))

### FIXED CODE ###

def f(x):
    if x==1:return 1
    return 2*f(x//2)+1

H = int(input())
print(f(H))
N = int(input())

A = [int(x) for x in input().split()]
num_c = 0
for i in (0, N):
    minj = i
    for j in (i, N):
        if A[j] < A[minj]:
            minj = j
    A[i], A[minj] = A[minj], A[i]
    num_c += 1

print((" ").join(str(x) for x in A))
print(num_c)

### FIXED CODE ###

N = int(input())

A = [int(x) for x in input().split()]
num_c = 0
for i in range(0, N):
    minj = i
    for j in range(i, N):
        if A[j] < A[minj]:
            minj = j
    if(i != minj):
        A[i], A[minj] = A[minj], A[i]
        num_c += 1

print((" ").join(str(x) for x in A))
print(num_c)
from itertools import groupby

def count(s):
    l = []
    c = 0
    for key,value in groupby(s):
        l.append(list(value))
    for i in l:
        c += len(i)//2
    return c


if __name__=="__main__":
    s = list(input())
    k = int(input())
    c = 0
    l = []
    c += count(s*k)
    print(c)



### FIXED CODE ###

from itertools import groupby

def count(s):
    l = []
    c = 0
    for key,value in groupby(s):
        l.append(list(value))
    for i in l:
        c += len(i)//2
    return c
s = list(input())
k =int(input())
if k <= 10**5:
    print(count(s*k))
else:
    d2 = count(s*3)-count(s*2)
    d3 = count(s*4)-count(s*3)
    if d2 != d3:
        if k%2 == 1:
            print(d2*((k-2)//2+1) + count(s*2) + d3*((k-2)//2))
        else:
            print(d2*((k-2)//2) + count(s*2) + d3((k-2)//2))
    else:
        print(d2*(k-2) + count(s*2))
N,M=map(int,input().split())
A=list(map(int,input().split()))
match=[0,2,5,5,4,5,6,3,7,6]
make=dict()
for a in A:
    make[a]=match[a]
dp=[-1]*(N+1)
dp[0]=0
for k in range(1,1+N):
    for d,m in make.items():
        if k-m<0 or dp[k-m]==-1:continue
        dp[k]=max(dp[k],dp[k-m]+1)
        
ans=''
now=N
if 
for k in range(dp[N]):
    res=(0,0)
    for d,m in make.items():
        if now-m<0:continue
        if dp[now-m]+1==dp[now] and res[0]<d:
            res=(d,m)
    ans+=str(res[0])
    now-=res[1]
print(int(ans))

### FIXED CODE ###

N,M=map(int,input().split())
A=list(map(int,input().split()))
match=[0,2,5,5,4,5,6,3,7,6]
make=dict()
for a in A:
    make[a]=match[a]
dp=[-1]*(N+1)
dp[0]=0
for k in range(1,1+N):
    for d,m in make.items():
        if k-m<0 or dp[k-m]==-1:continue
        dp[k]=max(dp[k],dp[k-m]+1)
        
ans=''
now=N
for k in range(dp[N]):
    res=(0,0)
    for d,m in make.items():
        if now-m<0:continue
        if dp[now-m]+1==dp[now] and res[0]<d:
            res=(d,m)
    ans+=str(res[0])
    now-=res[1]
print(int(ans))
import math

n,m = map(int,input().split())

x=0

s = []
for i in range(math.sqrt(m)):
	if m%i==0:
		s.append(i)



for i in s:
	if m%(i+1)==0 and m//(i+1)>n-1:
		x=max(x,i+1)
print(x)







### FIXED CODE ###

import math

n,m = map(int,input().split())

x=0

s = []
for i in range(math.floor(math.sqrt(m))+3):
	if m%(i+1)==0:
		s.append(i+1)
		s.append(m//(i+1))




for i in s:
	if m%(i)==0 and m//(i)>n-1:
		x=max(x,i)
print(x)
N = int(input())
A = list(map(int, input().split()))

if has_duplicates(A):
  print('NO')
else:
  print('YES')


### FIXED CODE ###

def has_no_duplicates(seq):
  return len(seq) == len(set(seq))

N = int(input())
A = list(map(int, input().split()))

if has_no_duplicates(A):
  print('YES')
else:
  print('NO')
# -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0539

"""
import sys
from sys import stdin
from bisect import bisect_right
input = stdin.readline




def main(args):
    while True:
        d = int(input())
        if d == 0:
            break
        n = int(input())
        m = int(input())
        cw_pos = [int(input()) for _ in range(n-1)]
        dests = [int(input()) for _ in range(m)]

        cw_pos.append(0)
        cw_pos.append(d)
        cw_pos.sort()

        ccw_pos = [d-x for x in cw_pos]
        ccw_pos.sort()


        total_distance = 0
        for t in dests:
            i = bisect_right(cw_pos, t)
            a1 = min(t-cw_pos[i-1], cw_pos[i]-t)

            j = bisect_right(ccw_pos, d-t)
            a2 = min(d-t-ccw_pos[j-1], ccw_pos[j]-(d-t))

            ans = min(a1, a2)
            total_distance += ans

        print(total_distance)


if __name__ == '__main__':
    main(sys.argv[1:])
    

### FIXED CODE ###

# -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0539
AC
"""
import sys
from sys import stdin
from bisect import bisect_right
input = stdin.readline


def main(args):
    while True:
        d = int(input())        #  ??°??¶????????????
        if d == 0:
            break
        n = int(input())        #  ??¬????????????????????°
        m = int(input())        #  ??¨????????°
        cw_pos = [int(input()) for _ in range(n-1)]
        dests = [int(input()) for _ in range(m)]

        cw_pos.append(0)        #  ??¬????????????
        cw_pos.append(d)        #  ??°??¶??????1??¨??????????????¬????????????(??????)
        cw_pos.sort()

#        ccw_pos = [d-x for x in cw_pos] #  ??°??¶?????????????????£????????????????????????
#        ccw_pos.sort()


        total_distance = 0
        for t in dests:
            if t == 0:          #  ?????????????????????0?????\??£????????????bisect_right?????¨????????????????????§??????
                continue
            i = bisect_right(cw_pos, t)          #  ????¨?????????§??????????????????
            a1 = min(t-cw_pos[i-1], cw_pos[i]-t) #  ?????????????????????????????¢

#            j = bisect_right(ccw_pos, d-t)       #  ???????¨?????????§???????????¨?????????
#            a2 = min(d-t-ccw_pos[j-1], ccw_pos[j]-(d-t))

#            ans = min(a1, a2)
            total_distance += a1 #  ?????????????????????????????°OK

        print(total_distance)


if __name__ == '__main__':
    main(sys.argv[1:])
import sys
sys.setrecursionlimit(10**7)

n,m=map(int,input().split())
pair=[i for i in range(n)]
a=[0]*n
b=[0]*n
for i in range(m):
    ai,bi=map(int,input().split())
    a[i]=ai-1
    b[i]=bi-1
    
def root(x):
    if x==pair[x]:
        return x
    else:
        tmp=root(pair[x])
        pair[x]=tmp
        return tmp

def unite(x,y):
    x=root(x)
    y=root(y)
    if x==y:return
    pair[x]=y

icnt=0
for i in range(m):
    pair=[i for i in range(n)]
    for ii in range(m):
        if ii==i:
            continue
        unite(a[ii],b[ii])

    l=[root(ii) for ii in range(n)]
#    print(i,l)
    lenpair=len(set(l))    
    if lenpair!=1:
        icnt+=1

print(icnt)


### FIXED CODE ###

icase=0
if icase==0:
    n,m=map(int, input().split())
    a=[]
    b=[]
    for i in range(m):
        ai,bi=map(int, input().split())
        a.append(ai)
        b.append(bi)
elif icase==1:
    n=6
    m=5
#    a=[[1],[2],[3],[4],[5]]
#    b=[[2],[3],[4],[5],[6]]
    a=[1,2,3,4,5]
    b=[2,3,4,5,6]
elif icase==2:
    n=7
    m=7
    a=[1,2,3,4,4,5,6]
    b=[3,7,4,5,6,6,7]

    
vtx=[]
for i in range(n):
    vtx.append([i+1])
icnt=0

for j in range(m):    
    vtx1=vtx.copy()
    a1=a.copy()
    b1=b.copy()
    del a1[j]
    del b1[j]
    
    for i in range(m-1):
        for v1 in vtx1:
            if a1[i] in v1:
                if not b1[i] in v1:
                    for v2 in vtx1:
                        if v1!=v2:
                            if b1[i] in v2:
                                break
                    vtx1.remove(v1)
                    vtx1.remove(v2)
                    v3=v1+v2
                    vtx1.append(v3)
#        print(a[i],b[i],len(vtx1),vtx1)
#    print(len(vtx1),vtx1)
    if len(vtx1)!=1:
        icnt=icnt+1
print(icnt)
import math

n,q=map(int,input().split())
S=input()
A=[]
flag=0
for i in range(n):
    if S[i]=="A":
        flag=1
    elif S[i]=="C":
        if flag==1:
            A.append(i-1)
        flag=0
    else:
        flag=0
a=len(A)
        
for i in range(q):
    l,r=map(int,input().split())
    l-=1
    r-=1
    low=0
    high=a-1
    if A[0]>=l:
        cntl=0
    elif A[a-1]<l:
        print(0)
        continue
    else:
        while high-low>1:
            now=math.ceil((high+low)/2)
            if A[now]>=l:
                high=now
            else:
                low=now
        cntl=high
    low=0
    high=a-1
    if A[a-1]+1<=r:
        cntr=a-1
    elif A[0]+1>r:
        print(0)
        continue
    else:
        while high-low>1:
            now=(high+low)//2
            if A[now]+1<=r:
                low=now
            else:
                high=now
        cntr=low
    if cntr>=cntl:
        print(cntr-cntl+1)
    else:
        print(0)

### FIXED CODE ###

n,q=map(int,input().split())
S=input()
A=[]
flag=0
cnt=0
for i in range(n):
    if S[i]=="A":
        flag=1
    elif S[i]=="C":
        if flag==1:
            cnt+=1
        flag=0
    else:
        flag=0
    A.append(cnt)
    
for i in range(q):
    l,r=map(int,input().split())
    l-=1
    r-=1
    print(A[r]-A[l])
ret = ""
for i in range(len(T)):
    if T[i]=="?":
        ret += "D"
    else:
        ret += T[i]

print(ret)

### FIXED CODE ###

T = input()
ret = ""

for i in range(len(T)):
    if T[i]=="?":
        ret += "D"
    else:
        ret += T[i]

print(ret)
N=int(input())
a=list(map(int,input().split()))
b=[0,0,0]
for i in range(N):
  while a[i]%2==0:
    a[i]=int(a[i]/2)
    b[i]+=1
print(min(b))

### FIXED CODE ###

N=int(input())
a=list(map(int,input().split()))
b=[0]*N
for i in range(N):
  while a[i]%2==0:
    a[i]=int(a[i]/2)
    b[i]+=1
print(min(b))
import sys

X,N = map(int,input().split())
P = list(map(int,input().split()))

P_n = [i for i in range(1,101,1) if i not in P]
abs_value = [abs(X-P_n[j]) for j in range(len(P_n))]
min_abs = min(abs_value)

for k in range(len(P_n)):
    if abs_value[k] == min_abs:
        print(P_n[k])
        sys.exit()

### FIXED CODE ###

X, N = map(int, input().split())
 
p = list(map(int, input().split()))
 
p_none = [i for i in range(110) if i not in p]
p_none_sa = [abs(p_none[i]-X) for i in range(len(p_none))]
 
import sys
 
min_p_none = min(p_none_sa)
for i in range(len(p_none_sa)):
    if p_none_sa[i] == min_p_none:
        print(p_none[i])
        sys.exit()
import sys
n = int(input())
d = list(map(int, input().split()))
m = {}
ans = 1

if d[0] != 0:
    print(0)
    sys.exit()

for i in range(n):
    num = d[i]
    if num in m:
        m[num] += 1
    else:
        m[num] = 1

#print(m)
#print(max(m))

#for i in range(1, max(m)+1):
for i in range(0, max(m)):
    if i not in m:
        print(0)
        sys.exit()
    prevCnt = m[i]
    curCnt = m[i+1]
    ans *= prevCnt ** curCnt

print(ans)







### FIXED CODE ###

import sys
n = int(input())
d = list(map(int, input().split()))
m = {}
ans = 1

if d[0] != 0:
    print(0)
    sys.exit()

if d.count(0) > 1:
    print(0)
    sys.exit()

for i in range(n):
    num = d[i]
    if num in m:
        m[num] += 1
    else:
        m[num] = 1

# if len(m) < n:
#     print(0)
#     sys.exit()

#print(m)
#print(max(m))
maxV = max(m.keys())

#for i in range(1, max(m)+1):
#for i in range(0, max(m)):
for i in range(0, maxV):
    if i not in m or i + 1 not in m:
        print(0)
        sys.exit()
    prevCnt = m[i]
    curCnt = m[i+1]
    # prevCnt = m[i] % 998244353
    #curCnt = m[i+1] % 998244353
    ans *= prevCnt ** curCnt
    #ans *= (prevCnt ** curCnt) % 998244353

print(ans % 998244353)
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
  for s in [-1, +1]: a=X+s*d
    if p.count(a) == 0:
      print(a)
      exit(0)


### FIXED CODE ###

X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
  for s in [-1, +1]: 
    a=X+s*d
    if p.count(a) == 0:
      print(a)
      exit(0)
a = list(map(int,input()))
if a[0]<=8 and a[1]<=8:
  print("Yay!")
else:
  print(":(")

### FIXED CODE ###

a = list(map(int,input().split()))
if a[0]<=8 and a[1]<=8:
  print("Yay!")
else:
  print(":(")
n = int(raw_input())
p = [0 for i in range(0, 101)]
m = [[0 for i in range(0, 101)] for j in range(0, 101)
for i in range(1, n + 1):
    p[i-1], p[i] = map(int, raw_input().split())
     
for l in range(2, n + 1):
    for i in range(1, n - l + 2):
        j = i + l - 1
        m[i][j] = float("inf")
        for k in range(i, j):
            m[i][j] = min(m[i][j], m[i][k] + m[k+1][j] + p[i-1]* p[k] * p[j])
 
print m[1][n]

### FIXED CODE ###

n = int(raw_input())
p = [0 for i in range(0, 101)]
m = [[0 for i in range(0, 101)] for j in range(0, 101)]
for i in range(1, n + 1):
    p[i-1], p[i] = map(int, raw_input().split())
     
for l in range(2, n + 1):
    for i in range(1, n - l + 2):
        j = i + l - 1
        m[i][j] = float("inf")
        for k in range(i, j):
            m[i][j] = min(m[i][j], m[i][k] + m[k+1][j] + p[i-1]* p[k] * p[j])
 
print m[1][n]
N , M = map(int,input().split())
A = list(map(int,input().split()))

A.sort(reverse=True)

match = [2,5,5,4,5,6,3,7,6]

dp = [-float('inf')] * (N + 1)

dp[0] = 0
for i in range(1, N+1) :
    maxDigit = -float('inf')
    for a in A :
        if i - match[a - 1] >= 0 :
            maxDigit = max(maxDigit, dp[i - match[a - 1]] + 1)
    dp[i] = maxDigit

maxDigit = dp[-1]

r = N

for _ in range(maxDigit) :
    for a in A :
        if dp[r - match[a - 1]] == dp[r] - 1 :
            print(a, end='')
            r -= match[a - 1]
            break

print('')

### FIXED CODE ###

N , M = map(int,input().split())
A = list(map(int,input().split()))

A.sort(reverse=True)

match = [2,5,5,4,5,6,3,7,6]

dp = [-float('inf')] * (N + 1)

dp[0] = 0
for i in range(1, N+1) :
    maxDigit = -float('inf')
    for a in A :
        if i - match[a - 1] >= 0 :
            maxDigit = max(maxDigit, dp[i - match[a - 1]] + 1)
    dp[i] = maxDigit

maxDigit = dp[-1]

r = N

for _ in range(maxDigit) :
    for a in A :
        if r - match[a - 1] < 0 or r < 0 :
            continue
        if dp[r - match[a - 1]] == dp[r] - 1 :
            print(a, end='')
            r -= match[a - 1]
            break

print('')