Harryxun/stf_run huggingface dataset:
s=list(input())
n=len(s)
n2 = 2**(n-1)
n3 = (n-1)*-1
# if n2 = 1
ans=0
for i in range(n2):
    li = list(format(i,'010b'))
    li = li[n3:]
    #    print(li)
    tmpstr=s[0]
    tmpnum=0
    index = 0
    for j in li:
#        print("ans",ans,"tmpstr",tmpstr,"tmpnum",tmpnum,"index",index)
        if j == '0':
            # string
            tmpstr=tmpstr+s[index+1]
        else:
            # plus
            if tmpstr =="":
                tmpnum=0
            else:
                tmpnum=int(tmpstr)
            tmpstr=s[index+1]
            ans=ans+tmpnum
        index += 1
    if tmpstr != "":
#        print("ans",ans,"tmpstr",tmpstr)
        tmpnum=int(tmpstr)
        ans=ans+tmpnum
print(ans)


### FIXED CODE ###

s=list(input())
n=len(s)
if n == 1:
    print(int(s[0]))
else:    
    n2 = 2**(n-1)
    #print(n2)
    n3 = (n-1)*-1
    # if n2 = 1
    ans=0
    for i in range(n2):
        li = list(format(i,'010b'))
        li = li[n3:]
        #    print(li)
        tmpstr=s[0]
        tmpnum=0
        index = 0
        for j in li:
            #        print("ans",ans,"tmpstr",tmpstr,"tmpnum",tmpnum,"index",index)
            if j == '0':
                # string
                tmpstr=tmpstr+s[index+1]
            else:
                # plus
                if tmpstr =="":
                    tmpnum=0
                else:
                    tmpnum=int(tmpstr)
                    tmpstr=s[index+1]
                    ans=ans+tmpnum
            index += 1
        if tmpstr != "":
            #        print("ans",ans,"tmpstr",tmpstr)
            tmpnum=int(tmpstr)
            ans=ans+tmpnum
    print(ans)
n = input()
k = int(input())

n_list = []
for a in n:
    n_list.append(int(a))
n_num = len(n_list)

#if n_num < k:
#    print('0')
#    return

dp = [[[0] * (n_num + 1) for _ in range(2)]for _ in range(n_num + 1)]

dp[0][0][0] = 1
for i in range(n_num):
    for smaller in range(2):
        for j in range(n_num):
            lim = 9 if smaller else n_list[i]
            for x in range(lim + 1):
                if x != 0:
                    ns = j + 1
                else:
                    ns = j
                nlt = smaller | (x < n_list[i])
                dp[i + 1][nlt][ns] += dp[i][smaller][j]
ans = dp[n_num][0][k] + dp[n_num][1][k]
print(ans)

### FIXED CODE ###

n = input()
k = int(input())

n_list = []
for a in n:
    n_list.append(int(a))
n_num = len(n_list)

if n_num < k:
    print('0')
else:

    dp = [[[0] * (n_num + 1) for _ in range(2)]for _ in range(n_num + 1)]

    dp[0][0][0] = 1
    for i in range(n_num):
        for smaller in range(2):
            for j in range(n_num):
                lim = 9 if smaller else n_list[i]
                for x in range(lim + 1):
                    if x != 0:
                        ns = j + 1
                    else:
                        ns = j
                    nlt = smaller | (x < n_list[i])
                    dp[i + 1][nlt][ns] += dp[i][smaller][j]
    ans = dp[n_num][0][k] + dp[n_num][1][k]
    print(ans)
import math
import sys
sys.setrecursionlimit(10 ** 4)
N, K = map(int, input().split())
R = N - K

K_1 = math.factorial(K-1)
R_1 = math.factorial(R+1)
# print (K_1, R_1)
for i in range(1, K+1): #K回答えを出力
    # if i > R:
    #     print (0)
    #     continue
    if i == 1:
        print (R + 1)
        continue
    # print (K_1, R_1, math.factorial(i))
    if i == 2:
        position = R_1//(math.factorial(i) * math.factorial(R + 1- i))
        boal = K_1//(math.factorial(i-1) * math.factorial(K - i))
    if i > 2:
        position = (position * (R + 1 - (i-1))) // i
        boal = (boal * (K - (i-1)))// (i-1)
    print ((position * boal)%(7 + 10 ** 9))

### FIXED CODE ###

import math
import sys
sys.setrecursionlimit(10 ** 4)
N, K = map(int, input().split())
R = N - K

if R == 0: #赤いボールが無い時
    print (1)
    for _ in range(1, K):
        print (0)
    exit()

if K == 1: #青いボールが1つのとき
    print (R+1)
    exit()

K_1 = math.factorial(K-1)
R_1 = math.factorial(R+1)
# print (K_1, R_1)
for i in range(1, K+1): #K回答えを出力
    # if i > R:
    #     print (0)
    #     continue
    if i == 1:
        print (R + 1)
        continue
    # print (K_1, R_1, math.factorial(i))
    if i == 2:
        position = R_1//(math.factorial(i) * math.factorial(R + 1- i))
        boal = K_1//(math.factorial(i-1) * math.factorial(K - i))
    if i > 2:
        position = (position * (R + 1 - (i-1))) // i
        boal = (boal * (K - (i-1)))// (i-1)
    print ((position * boal)%(7 + 10 ** 9))
import sys
mod = 10 ** 9 + 7

n,m = map(int,input().split())
if n in [0,1]:
    print(1)
    sys.exit()
    
if not m == 0:
    lis = [int(input()) for x in range(m)]
else:
    lis = []
val1 = 1
if 1 in lis:
    val2 = 0
else:
    val2 = 1
nex = 0
flg = lis[0]
f = 0
for x in range(2,n):
    if x == flg:
        nex += 1
        try: flg = lis[nex]
        except:flg = 0
        now = 0
    else:
        now = (val1 + val2) % mod
    val1,val2 = val2,now
    
print((val1 + val2) % mod)
    


### FIXED CODE ###

import sys
mod = 10 ** 9 + 7

n,m = map(int,input().split())
if n in [0,1]:
    print(1)
    sys.exit()
    
if not m == 0: lis = [int(input()) for x in range(m)]
else: lis = [-1]
val1 = 1
if 1 in lis: val2 = 0
else: val2 = 1

if lis[0] == 1 and len(lis) >= 2:
    flg = lis[1]
    nex = 1
else:
    flg = lis[0]
    nex = 0
#print(lis)
for x in range(2,n):
    if x == flg: #x in lis
        #print(flg)
        nex += 1
        try: flg = lis[nex]
        except:flg = 0
        now = 0
    else:
        now = (val1 + val2) % mod
    val1,val2 = val2,now
    
print((val1 + val2) % mod)
N = int(input())
S = list(input().split())

if 'Y' in S:
    print('Four')
else:
    print('Three')
    

### FIXED CODE ###

N = int(input())

print(int(N/3))
n=int(input())
h=list(map(int,input().split()))
c=1
for i in range(1,n):
  if h[i]>=max(h[0:i-1]):
    c+=1
print(c)

### FIXED CODE ###

n=int(input())
h=list(map(int,input().split()))
c=1
if len(h)>1 and h[0]<=h[1]:
  c=2
for i in range(2,n):
  if h[i]>=max(h[0:i]):
    c+=1
print(c)
n,a=map(int,input().split())
lst=list(map(int,input().split()))

z=len(lst)
dp=[[[0]*2501 for i in range(51)] for j in range(z+1)]
dp[0][0][0]=1

for i in range(z):
  x=lst[i]
  for j in range(i+1):
    for k in range((i+1)*50):
      dp[i+1][j][k]+=dp[i][j][k]
      dp[i+1][j+1][k+x]+=dp[i][j][k]

ans=0

for i in range(50):
  ans+=dp[-1][i][i*a]

print(ans-1)


### FIXED CODE ###

n,a=map(int,input().split())
lst=list(map(int,input().split()))

z=len(lst)
dp=[[[0]*2501 for i in range(51)] for j in range(z+1)]
dp[0][0][0]=1

for i in range(z):
  x=lst[i]
  for j in range(z):
    for k in range(2451):
      dp[i+1][j][k]+=dp[i][j][k]
      dp[i+1][j+1][k+x]+=dp[i][j][k]

ans=0

for i in range(z+1):
  ans+=dp[-1][i][i*a]

print(ans-1)
import sys
input = sys.stdin.readline

def digit_sum(n, b):
    if b == 1:
        return n
    res = 0
    while n > 0:
        res += n % b
        n //= b
    return res

def main():
    n = int(input())
    s = int(input())
    ans = -1
    if n < s:
        ans = -1
    elif n == s:
        ans = n + 1
    else:
        key = []
        start, first = n, 1

        for i in range(1, n):
            first = digit_sum(n, start)
            end = start - n // i // (i + 1)
            if start == end+1:
                judge = start
                break
            while end > 1:
                if digit_sum(n, end) == i * (start - end) + first:
                    end -= 1
                    continue
                break
            next_start = end - 1
            end = digit_sum(n, end)
            key.append((start, end, i, first))
            start = next_start
            judge = end
        for i in range(2, judge + 1):
            sub = digit_sum(n, i)
            if sub == s:
                ans = i
                break
        else:
            for start, end, i, first in reversed(key):
                if end < s:
                    continue
                if (s - first) % i:
                    continue
                ans = start - (s - first) // i
                break
    print(ans)
    
    for i in range(2, ans):
        if digit_sum(n, i) == s:
            print("WA")
            print(i)
            print(3/0)
            break


def judge():
    n = int(input())
    for i in range(2, min(n+5, 1000)):
        ans = digit_sum(n, i)
        print(str(i).zfill(3), ans)
    
#judge()
main()
    




### FIXED CODE ###

import sys
input = sys.stdin.readline

def digit_sum(n, b):
    res = 0
    while n > 0:
        res += n % b
        n //= b
    return res

def main():
    n = int(input())
    s = int(input())
    ans = -1

    if n < s:
        ans = -1

    elif n == s:
        ans = n + 1

    else:
        key = []
        start, first = n, 1

        for i in range(1, n):
            first = digit_sum(n, start)
            end = start - n // i // (i + 1)
            if start == end+1:
                judge = start
                break

            while end > 1:
                if digit_sum(n, end) == i * (start - end) + first:
                    end -= 1
                    continue
                break
            next_start = end
            value = digit_sum(n, start)
            end = value + (start - end - 1) * i
            key.append((start, value, end, i, first))
            judge = start
            start = next_start
            if start == 1:
                break

        for i in range(2, judge + 1):
            sub = digit_sum(n, i)
            if sub == s:
                ans = i
                break
        else:
            for index, start, end, i, first in reversed(key):
                if end < s or s < start:
                    continue
                if (s - start) % i:
                    continue
                ans = index - (s - first) // i
                break

    print(ans)


if __name__ == "__main__":
    main()
a,b,k=map(int, input().split())

if k>=b:
    for i in range(a, b+1):
        print(i)

else:
    
    l1=[i for i in range(a,b+1)] 
    l2=[]
    for i in range(k):
        l2.append(l1[i])
    for i in range(b-a-k+1,b-a+1):
        l2.append(l1[i])

    l_set = list(set(l2))
    l_set.sort()
    for i in range(len(l_set)):
        print(l_set[i])

### FIXED CODE ###

a,b,k=map(int,input().split())

ans=list(range(a,min(a+k,b)))+list(range(max(a,b-k+1),b+1))
ans=set(ans)
ans=list(ans)
ans.sort()
for i in range(len(ans)):
    print(ans[i])
n,k = map(int,input().split())
ls = []
b_num = 0

for i in range(n):
    a,b = [int(i) for i in input().split()]
    if b_num <= b:
        tmp = [a] * b
        ls.extend(tmp)
        ls.sort
        b_num += b
    else:
        if(a < ls[-1]):
            tmp = [a] * b
            ls.extend(tmp)
            ls.sort
            b_num += b  
        
print(ls[k-1])

### FIXED CODE ###

n,k = map(int,input().split())
ls = []

for i in range(n):
    a,b = [int(i) for i in input().split()]
    ls.append([a,b])

ls.sort()
for a,b in ls:
    if b >= k:
        print(a)
        break
    else:
        k -= b
H,W,M = map(int,input().split())
l = [[0]*W for _ in range(H)]
tate,yoko = [0]*W,[0]*H
ans = 0
for _ in range(M):
  h,w = map(int,input().split())
  h -= 1
  w -= 1
  tate[w] += 1
  yoko[h] += 1
  l[h][w] = 1
tateArr,yokoArr = [],[]
ans = 0
t,y = max(tate),max(yoko)
for i in range(W):
  if tate[i] == t:
    tateArr.append(i)
for i in range(H):
  if yoko[i] == y:
    yokoArr.append(i)
for i in yokoArr:
  for j in tateArr:
    if l[i][j] == 0:
      print(t+y)
      exit()
print(t+y-1)

### FIXED CODE ###

H,W,M = map(int,input().split())
tate,yoko = [0]*W,[0]*H
ans = 0
memo = set([])
for _ in range(M):
  h,w = map(int,input().split())
  h -= 1
  w -= 1
  tate[w] += 1
  yoko[h] += 1
  memo.add((h,w))
tateArr,yokoArr = [],[]
ans = 0
t,y = max(tate),max(yoko)
for i in range(W):
  if tate[i] == t:
    tateArr.append(i)
for i in range(H):
  if yoko[i] == y:
    yokoArr.append(i)
for i in yokoArr:
  for j in tateArr:
    if (i,j) not in memo:
      print(t+y)
      exit()

print(t+y-1)
A,B=list(map(int,input().split()))

if A*B in [4,6,9]:
  print('No')
else:
  print('Yes')
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    '

### FIXED CODE ###

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

if A*B in [2,4,6]:
  print('No')
else:
  print('Yes')
from collections import defaultdict as d

def dfs(adj, visited, count, tab, start):
	visited[start-1] = 1
	for v in adj[start]:
		if not visited[v-1]:
			tab[v-1] += count
			dfs(adj, visited, count+1, tab, v)
	return tab		

n, u, v = map(int, input().split())
adj = d(list)
for i in range(n-1):
	a, b = map(int, input().split())
	adj[a].append(b)
	adj[b].append(a)
	
takahashi = dfs(adj, [0] * n, 1, [0] * n, u)
aoki = dfs(adj, [0] * n, 1, [0] * n, v)

res = -1
for i in range(n):
	if takahashi[i] <= aoki[i]:
		res = max(res, aoki[i] - 1)

print(res)


### FIXED CODE ###

from collections import defaultdict as d
from collections import deque

def bfs(adj, start, n):
	visited = [0] * (n + 1)
	tab = [0] * n
	q = deque([start])
	visited[start] = 1
	while q:
		s = q.popleft()
		for i in adj[s]:
			if visited[i] == 0:
				q.append(i)
				visited[i] = 1
				tab[i - 1] = tab[s - 1] + 1
	return tab

n, u, v = map(int, input().split())
adj = d(list)
for i in range(n - 1):
	a, b = map(int, input().split())
	adj[a].append(b)
	adj[b].append(a)

takahashi = bfs(adj, u, n)
aoki = bfs(adj, v, n)
res = -1
for i in range(n):
	if takahashi[i] <= aoki[i]:
		res = max(res, aoki[i] - 1)

print(res)
a, b, x = map(int, input().split())


def count(a, n):
    return a // n

print(count(b, x) - count(a-1, x))


### FIXED CODE ###

import sys
input = sys.stdin.readline

l = input().split()
print("A" + l[1][0] + "C")
s = input ()

def radius:
  return s ** 2

print (s)

### FIXED CODE ###

s = input ()

def radius(r):
  to_number = int(r)
  return to_number ** 2

print (radius(s))
nums = input().split()
a = int(nums[0])
b = int(nums[1])
c = int(nums[2])
if a < b < c:
   print(Yes)
else:
   print(No)

### FIXED CODE ###

nums = input().split()
a = int(nums[0])
b = int(nums[1])
c = int(nums[2])
if a < b < c:
    print('Yes')
else:
    print('No')
# C
x, n = map(int, input().split())
p = list(map(int, input().split()))
ans = 0
if n = 0:
    print(x)
elif x not in p:
    print(x)
else:
    for i in range(102):
        if i not in p and abs(x - i) < abs(x - ans):
            ans = i
    print(ans)

### FIXED CODE ###

# C
x, n = map(int, input().split())
p = list(map(int, input().split()))
# print(p)
ans = 0
if n == 0:
    print(x)
elif x not in p:
    print(x)
else:
    for i in range(102):
        if i not in p:
            if abs(x - i) < abs(x - ans):
                ans = i
    print(ans)
from heapq import heappush, heappop
from collections import deque,defaultdict,Counter
import itertools
from itertools import permutations
import sys
import bisect
import string
sys.setrecursionlimit(10**6)
def SI():
    return input().split()
def MI():
    return map(int,input().split())
def I():
    return int(input())
def LI():
    return [int(i) for i in input().split()]
YN=['Yes','No']
mo=10**9+7

s=input()
t=input()
s=list(s)
t=list(t)
Ss=set(s)
St=set(t)
n=len(s)

alp=string.ascii_lowercase
di=dict([(i,j) for j,i in enumerate(alp)])
#print(di)
g=[{} for _ in range(n)]
fp=[-1 for i in range(26)]
lp=[-1 for i in range(26)]

for i,c in enumerate(s):
    fp[di[c]]=i
    for next_c in [di[l] for l in Ss]:
        if fp[next_c]!=-1:
            g[i][next_c]=(fp[next_c],1)

for i in range(n)[::-1]:
    lp[di[s[i]]]=i
    for next_c in [di[l] for l in Ss]:
        if lp[next_c]!=-1:
            g[i][next_c]=(lp[next_c],0)

m=[[] for i in range(n)]


#print(Ss,St,St-Ss)
if len(St-Ss)!=0:
    ans=-1
else:
    loop=0
    st=di[t[0]]
    i_n=g[0][st][0]
    for i in range(1,len(t)):
        ch=di[t[i]]
        loop+=g[i_n][ch][1]
        i_n=g[i_n][ch][0]
        has=g[i_n][ch][0]
        #print(loop,has,i_n,g[i_n][ch])
    ans=loop*n+has+1
print(ans)#,loop,has)
#print([[i,di[i]] for i in s])
'''
for i in g:
    print(sorted(list(i.items()),key=lambda x:x[0]))
'''

### FIXED CODE ###

from heapq import heappush, heappop
from collections import deque,defaultdict,Counter
import itertools
from itertools import permutations
import sys
import bisect
import string
sys.setrecursionlimit(10**6)
def SI():
    return input().split()
def MI():
    return map(int,input().split())
def I():
    return int(input())
def LI():
    return [int(i) for i in input().split()]
YN=['Yes','No']
mo=10**9+7
alp=string.ascii_lowercase
d_al=dict([(i,j) for j,i in enumerate(alp)])

s=[d_al[i] for i in input()]
t=[d_al[i] for i in input()]
Ss=set(s)
St=set(t)
ns=len(s)
nt=len(t)
ss=s*2
#print(ss)

g=[{} for _ in range(ns)]
pos=[-1]*26
for i in range(ns*2)[::-1]:
    for j in Ss:
        if i<ns:
            g[i][j]=pos[j]-i
    pos[ss[i]]=i
#for i in range(len(g)):
#    print(g[i])

if len(St-Ss)!=0:
    ans=-1
else:
    cur=0
    cur+=g[-1][t[0]]-1
    #print(cur)
    for i in range(1,nt):
        #print(cur,s[cur%ns],'tg=',t[i],g[cur%ns][t[i]])
        cur+=g[cur%ns][t[i]]
    ans=cur+1
print(ans)
def popcnt(x):
    return bin(x).count("1")

def main():
    N = int(input())
    Xs = input()
    X = int(Xs, 2)
    d = popcnt(X)

    lut = [0] * N
    lut[1] = 1
    for i in range(2, N):
        Xi = i % popcnt(i)
        lut[i] = lut[Xi] + 1

    dp = d+1
    dm = d-1
    mp = X % dp
    mm = X % dm if dm else 0
    # print(lut)
    # print(format(X, 'b'))
    
    ans = []
    for i in range(N):
        mask = 1 << (N-i-1)
        Xi = X ^ mask
        _ans = 0
        if Xs[i] == '1':
            if dm:
                m = (mm - pow(2, N-i-1, dm)) % dm
                _ans = lut[m] + 1
            # m = (mm - mask) % dm
        else:
            # m = (mp + mask) % dp
            m = (mp + pow(2, N-i-1, dp)) % dp
            _ans = lut[m] + 1
        # print(Xi, Xs[N-i-1], m)
        # print(format(Xi, 'b'))

        # Xi2 = Xi % dd
        # ans.append((Xi, Xi2))
        ans.append(_ans)
    print(*ans, sep='\n')

if __name__ == '__main__':
    main()

### FIXED CODE ###


def popcnt(x):
    return bin(x).count("1")

def main():
    N = int(input())
    Xs = input()
    X = int(Xs, 2)
    d = popcnt(X)

    lut = [0] * N
    for i in range(1, N):
        Xi = i % popcnt(i)
        lut[i] = lut[Xi] + 1

    dp = d+1
    dm = d-1
    mp = X % dp
    mm = X % dm if dm else 0
    # print(lut)
    # print(format(X, 'b'))
    
    ans = []
    for i in range(N):
        mask = 1 << (N-i-1)
        Xi = X ^ mask
        _ans = 0
        if Xs[i] == '1':
            if dm:
                m = (mm - pow(2, N-i-1, dm)) % dm
                _ans = lut[m] + 1
            # m = (mm - mask) % dm
        else:
            # m = (mp + mask) % dp
            m = (mp + pow(2, N-i-1, dp)) % dp
            _ans = lut[m] + 1
        ans.append(_ans)
    print(*ans, sep='\n')

if __name__ == '__main__':
    main()
in_char = input()

alpha_bete = {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"}

for cnt, charct in enumerate(alpha_bete):
	if charact == in_char
  		print(alpha_bete[cnt+1])

### FIXED CODE ###

char = ord(input())
char += 1
print(chr(char))
while(1):
  count = int(raw_input())
  if count == 0: break
  previous_cube = [1, 2, 3, 4, 5, 6]
  operation{'North':[2, 6, 3, 4, 1, 5], 'East':[4, 2, 1, 6, 5, 3], 'West': [3, 2, 6, 1, 5, 4], 'South':[5, 1, 3, 4, 6, 2], 'Right':[1, 3, 5, 2, 4, 6], 'Left[1, 4, 2, 5, 3, 6]}
  sum = 1
  for i in xrange(count):
    new_cube = []
    for i in xrange(6):
      new_cube.append(previous_cube[operation[raw_input()][i]])
    sum += new_cube[0]
    previous_cube = new_cube
  print sum

### FIXED CODE ###

while 1:
  n = input()
  if n == 0:  break
  d = range(1, 7)
  ans = 1
  for i in range(n):
    c = raw_input()[0]
    if c == 'N': S = [1,5,2,3,0,4]
    elif c == "S": S = [4,0,2,3,5,1]
    elif c == "E": S = [3,1,0,5,4,2]
    elif c == "W": S = [2,1,5,0,4,3]
    elif c == "R": S = [0,2,4,1,3,5]
    elif c == "L": S = [0,3,1,4,2,5]
    d = [d[s] for s in S]
    ans += d[0]
  print ans
S = int(input())
mod = 10 ** 9 + 7
dp = [0 for _ in range(S)]
dp[0] = dp[1] = 0
dp[2] = dp[3] = 0

for i in range(S - 3):
    dp[i + 3] = (dp[i] + dp[i + 2]) % mod
    
print(dp[-1])

### FIXED CODE ###

import math


def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

S = int(input())
ans = 0
mod = 10 ** 9 + 7
for i in range(1,700):
    x = S - 3 * i
    if x < 0:
        break
    ans += (combinations_count(x + i - 1, i - 1)) % mod
    ans %= mod
print(ans)
N = int(input())
S = input()
cnt = 1
for i in range(1,N):
  if S[i-1] != S[i]:
    cnt += 1

print(cnt)

### FIXED CODE ###

A,B = map(int,input().split())
ans = A - B*2 if A -B*2 >0 else 0
print(ans)
import sys
input = sys.stdin.readline

N, M = map(int, input().split())
A_list = [input().split() for _ in range(M)]

wa_count, ac_count = 0, 0
WA_List = {}  # {prob_id: wa_count}
AC_list = []  # [prob_id]

for i in range(M):
    if A_list[i][1] == 'AC':
        if not A_list[i][0] in AC_list:
            if A_list[i][0] in WA_List:
                wa_count += WA_List[A_list[i][0]]
            ac_count += 1
            AC_list.append(A_list[i][0])
    else:
        if A_list[i][0] in WA_List:
            WA_List[A_list[i][0]] += 1
        else:
            WA_List[A_list[i][0]] = 1

print(ac_count, wa_count)


### FIXED CODE ###

C = str(input())

print(chr(ord(C) + 1))
N = int(input())
A = list(map(int, input().split()))

A.sort()
# print(A)
for i in range(N // 2 + 1):
    # print(A[i])
    # print(A[i+1])
    
    if A[i] == A[i+1]:
        print("NO")
        exit()
    elif A[-1-i] == A[-2-i]:
        print("NO")
        exit()

print("YES")


### FIXED CODE ###

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

A.sort()
# print(A)
# print(N//2)
for i in range(N // 2):
    # print(i)
    # print(A[i])
    # print(A[i+1])
    
    if A[i] == A[i+1]:
        print("NO")
        exit()
    elif A[-1-i] == A[-2-i]:
        print("NO")
        exit()

print("YES")
s = input()
left = 0
right = len(s) - 1
x_left = 0
x_right = 0
if len(s) > 2:
    while (left <= right):
        if s[left] == s[right]:
            left += 1
            right -= 1
        elif s[left] == "x":
            x_left += 1
            left += 1
        elif s[right] == "x":
            x_right += 1
            right -= 1
        if (right - left == 1) & (s[left] != s[right]):
            if (s[left] != "x") & (s[right] != "x"):
                print(-1)
                exit()
    print(x_left + x_right)
else:
    print(0)           

### FIXED CODE ###

s = input()
left = 0
right = len(s) - 1
x_left = 0
x_right = 0
if len(s) >= 2:
    while (left <= right):
        if s[left] == s[right]:
            left += 1
            right -= 1
        elif s[left] == "x":
            x_left += 1
            left += 1
        elif s[right] == "x":
            x_right += 1
            right -= 1
        else:
            print(-1)
            exit()
    print(x_left + x_right)
else:
    print(0)