Harryxun/stf_run huggingface dataset:
n = int(input())
a = sorted(list(map(int, input().split())))
ans = 0
cnt = 1
prev = a[0]
#print(a)

for i in range(1, n):
    # print('\n# i: ' + str(i))
    # print('# a[i]: ' + str(a[i]))
    if a[i] == prev:
#        print('same!')
        cnt += 1
    else:
        if cnt == prev:
#            print('good, skip!')
        elif cnt > prev:
#            print('cnt is larger!')
            ans += cnt - prev
        else:
#            print('cnt is smaller!')
            ans += cnt
#        print('ans: ' + str(ans))
        prev = a[i]
        cnt = 1

if cnt > prev:
    ans += cnt - prev
elif cnt < prev:
    ans += cnt

print(ans)

### FIXED CODE ###

n = int(input())
a = sorted(list(map(int, input().split())))
ans = 0
cnt = 1
prev = a[0]
#print(a)

for i in range(1, n):
    # print('\n# i: ' + str(i))
    # print('# a[i]: ' + str(a[i]))
    if a[i] == prev:
#        print('same!')
        cnt += 1
    else:
        if cnt > prev:
#            print('cnt is larger!')
            ans += cnt - prev
        elif cnt < prev:
#            print('cnt is smaller!')
            ans += cnt
#        print('ans: ' + str(ans))
        prev = a[i]
        cnt = 1

if cnt > prev:
    ans += cnt - prev
elif cnt < prev:
    ans += cnt

print(ans)
from math import gcd

a, b, c, d = map(int, input().split())


def f(n):
    x = n//c
    x += n//d
    lcm = c*d//gcd(c, d)
    x -= n//lcm
    return n-x


print(f(b)-f(a-1))


### FIXED CODE ###

from fractions import gcd

a, b, c, d = map(int, input().split())


def f(n):
    x = n//c
    x += n//d
    lcm = c*d//gcd(c, d)
    x -= n//lcm
    return n-x


print(f(b)-f(a-1))
from collections import deque
n = int(input())
e = [[] for _ in range(n)]
AB = [list(map(int, input().split())) for _ in range(n - 1)]
AB = [(a -1, b - 1) for a, b in AB]

for itr, (a, b) in enumerate(AB):
  e[a].append(b)
  e[b].append(b)
  
colors = [-1] * n

# ２色で塗分けする。
q = deque()
# 現在見ている頂点、親の色
q.append((0, 0))
while q:
  v, pcol = q.popleft()
  # 親と異なる色で塗る。
  if colors[v] == -1:
    col = not pcol
    colors[v] = col
    for i in e[v]:
      if colors[i] == -1:
        q.append((i, col))

if -1 in colors:
  raise ValueError("error!")

m = [deque([i for i in range(1, n + 1) if i % 3 == j]) for j in range(3)]

# print(m)

def opop(n):
  if m[n]:
    p = m[n].pop()
  else:
    if n == 1 or n == 2:
      if m[0]:
        p = m[0].pop()
      else:
        p = m[3-n].pop()
    else:
      if m[1]:
        p = m[1].pop()
      else:
        p = m[2].pop()
  return p

ans = [0] * n

if sum(colors) <= n // 3:
  for itr, i in enumerate(colors):
    if i:
      ans[itr] = opop(0)
    else:
      ans[itr] = opop(1)
elif sum(colors) >= n - (n // 3) + 1:
  for itr, i in enumerate(colors):
    if not i:
      ans[itr] = opop(0)
    else:
      ans[itr] = opop(1)
else:
  for itr, i in enumerate(colors):
    if i:
      ans[itr] = opop(1)
    else:
      ans[itr] = opop(2)
print(*ans)

### FIXED CODE ###

from collections import deque
n = int(input())
e = [[] for _ in range(n)]
AB = [list(map(int, input().split())) for _ in range(n - 1)]
AB = [(a -1, b - 1) for a, b in AB]

for itr, (a, b) in enumerate(AB):
  e[a].append(b)
  e[b].append(a)
  
colors = [-1] * n

# ２色で塗分けする。
q = deque()
# 現在見ている頂点、親の色
q.append((0, 0))
while q:
  v, pcol = q.popleft()
  # 親と異なる色で塗る。
  if colors[v] == -1:
    col = not pcol
    colors[v] = col
    for i in e[v]:
      if colors[i] == -1:
        q.append((i, col))

# print(e)
# print(colors)
        
m = [deque([i for i in range(1, n + 1) if i % 3 == j]) for j in range(3)]

# print(m)

def opop(n, ne):
  if m[n]:
    p = m[n].pop()
  else:
    if n == 1 or n == 2:
      if m[ne]:
        p = m[ne].pop()
      else:
        p = m[0].pop()
    else:
      if m[1]:
        p = m[1].pop()
      else:
        p = m[2].pop()
  return p

ans = [0] * n

if sum(colors) <= len(m[0]):
  for itr, i in enumerate(colors):
    if i:
      ans[itr] = opop(0, 0)
    else:
      ans[itr] = opop(1, 2)
elif sum(colors) >= len(m[1]) + len(m[2]):
  for itr, i in enumerate(colors):
    if not i:
      ans[itr] = opop(0, 0)
    else:
      ans[itr] = opop(1, 2)
else:
  for itr, i in enumerate(colors):
    if i:
      ans[itr] = opop(1, 0)
    else:
      ans[itr] = opop(2, 0)
print(*ans)
n,k = (int(w) for w in input().split()[:2])
r,s,p = (int(w) for w in input().split()[:3])
t = input()

h = {'r': 'p', 's': 'r', 'p': 's'}
score = {'r': r, 's': s 'p': p}

x = sum(score[h[t[i]]] for i in range(k))

x += sum(score[h[c]] for c,cp in zip(t[k:], t) if c!=cp)

print(x)


### FIXED CODE ###

n,k = (int(w) for w in input().split()[:2])
r,s,p = (int(w) for w in input().split()[:3])
t = input()

h = {'r': 'p', 's': 'r', 'p': 's'}
score = {'r': r, 's': s, 'p': p, 'e': 0}

z = [h[c] for c in t]
for i in range(k, n):
    if z[i]==z[i-k]: z[i] = 'e'

x = sum(score[v] for v in z)

print(x)
n,x=map(int,input().split())
m=[list(map(int,input().split())) for _ in range(n)]
y=x-sum(m)
print(n+y//min(m))


### FIXED CODE ###

n,x=map(int,input().split())
m=[int(input()) for _ in range(n)]
y=x-sum(m)
print(n+y//min(m))
from math import gcd

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



# L[0] = 0
# L[i] (i=1, ..., N)にはA_1, ..., A_iの最大公約数が格納されている

L = []
L.append(0)

for i in range(N):
    L.append(gcd(L[i], A[i]))

#  for i in range(N+1):
    #  print(L[i])


# R[N+1] = 0
# R[i] (i=N, N-1, ..., 1)にはA_i, ..., A_Nの最大公約数が格納されている

R = [0] * (N+2)
# R = [0, 0, 0, ... , 0] (0がN+2個)

for i in range(N, 0, -1):
    R[i] = gcd(A[i-1], R[i+1])

#  for i in range(N+1, -1, -1):
    #  print(R[i])



# M[i] (i=0, ..., N-1)にはA_(i+1)を除いた整数の最大公約数が格納されている

M = []
for i in range(N):
    M.append(gcd(L[i], R[i+2]))

print(max(M))






### FIXED CODE ###

from fractions import gcd

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



# L[0] = 0
# L[i] (i=1, ..., N)にはA_1, ..., A_iの最大公約数が格納されている

L = []
L.append(0)

for i in range(N):
    L.append(gcd(L[i], A[i]))

#  for i in range(N+1):
    #  print(L[i])


# R[N+1] = 0
# R[i] (i=N, N-1, ..., 1)にはA_i, ..., A_Nの最大公約数が格納されている

R = [0] * (N+2)
# R = [0, 0, 0, ... , 0] (0がN+2個)

for i in range(N, 0, -1):
    R[i] = gcd(A[i-1], R[i+1])

#  for i in range(N+1, -1, -1):
    #  print(R[i])



# M[i] (i=0, ..., N-1)にはA_(i+1)を除いた整数の最大公約数が格納されている

M = []
for i in range(N):
    M.append(gcd(L[i], R[i+2]))

print(max(M))
l1 = ['A','T']
l2 = ['C','G']
b = str(input())
print(b)
ans = ''
if b in l1:
    l1.remove(b)
    ans = t1[0]
if b in l2:
    l2.remove(b)
    ans = l2[0]
print(ans)

### FIXED CODE ###

l1 = ['A','T']
l2 = ['C','G']
b = str(input())
ans = ''
if b in l1:
    l1.remove(b)
    ans = l1[0]
if b in l2:
    l2.remove(b)
    ans = l2[0]
print(ans)
import fractions
 
def lcm(a, b):
    return abs(a*b) // math.gcd(a, b)
  
a, b = [int(x) for x in input().split()]
print(lcm(a,b))

### FIXED CODE ###

from fractions import gcd
 
def lcm(a, b):
    return abs(a*b) // gcd(a, b)
  
a, b = [int(x) for x in input().split()]
print(lcm(a,b))
import sys
input = sys.stdin.buffer.readline
N = int(input())
A = list(map(int, input().split()))
zeta = [0] * (max(A) + 1)
mod = 998244353
for a in A:
  zeta[a] += a
for i in range(1, len(zeta)):
  for j in range(2 * i, len(zeta), i):
    zeta[i] += zeta[j]
for i in range(1, len(zeta)):
  zeta[i] *= zeta[i]
for i in range(len(zeta) - 1, 0, -1):
  for j in range(2 * i, len(zeta), i):
    zeta[i] -= zeta[j]
for a in A:
  zeta[a] -= a ** 2
for i in range(1, len(zeta)):
  zeta[i] //= 2
for i in range(1, len(zeta)):
  zeta[i] //= i
  res = (res + zeta[i]) % mod
print(res)

### FIXED CODE ###

import sys
input = sys.stdin.buffer.readline
N = int(input())
A = list(map(int, input().split()))
zeta = [0] * (max(A) + 1)
mod = 998244353
res = 0
for a in A:
  zeta[a] += a
for i in range(1, len(zeta)):
  for j in range(2 * i, len(zeta), i):
    zeta[i] += zeta[j]
for i in range(1, len(zeta)):
  zeta[i] *= zeta[i]
for i in range(len(zeta) - 1, 0, -1):
  for j in range(2 * i, len(zeta), i):
    zeta[i] -= zeta[j]
for a in A:
  zeta[a] -= a ** 2
for i in range(1, len(zeta)):
  zeta[i] //= 2
for i in range(1, len(zeta)):
  zeta[i] //= i
  res = (res + zeta[i]) % mod
print(res)
N = int(input())
S = input()

ans=''
for x in range(len(S)):
    nc=ord(N[x])
    nc+=N
    if nc>90:
        nc-=26
    ans+=chr(nc)
print(ans)

### FIXED CODE ###

N = int(input())
S = input()

ans=""
for x in S:
    nc=ord(x)
    nc+=N
    if nc>90:
        nc-=26
    ans+=chr(nc)
print(ans)
w = raw_input().lower
sum = 0
while True:
    t = raw_input().lower
    if t == "END_OF_TEXT":
        break
    else:
        sum += t.count(w)
print sum

### FIXED CODE ###

w = raw_input().lower()
sum = 0
while True:
    t = raw_input().split()
    if t[0] == "END_OF_TEXT":
        break
    else:
        for ti in t:
            if ti.lower() == w:
                sum += 1
print sum
def LCM(m,n):
  for i in range(1,m+1)[::-1]:
    if n%i==0:
      return i
    
N,X=(int(i) for i in input().split(' '))
x=[int(i) for i in input().split(' ')]
x=[X]+x
x.sort()
D=x[1]-x[0]
for i in range(N):
  D=LCM(D,x[i+1]-x[i])
print(D)

### FIXED CODE ###

s = [int(i) for i in input().split()]
if(s[0] * s[1] % 2 == 1):
    print("Yes")
else:
    print("No")
import sys

N, D = int(input().split())

result = 0
for i in range(N):
  x, y = int(input().split())
  if x*x + y*y <= D*D:
    result += 1
    
print(result)

### FIXED CODE ###

import sys

N, D = (int(x) for x in input().split())

result = 0
for _ in range(N):
    X, Y = (int(x) for x in input().split())
    if X * X + Y * Y <= D * D:
        result += 1
print(result)
l=[[["0" for i in range(10)] for i in range(3)] for i in range(4)]
n=int(input())
for i in range(n):
	a,b,c,d=list(map(int,input().split()))
	l[a-1][b-1][c-1]=str(d)zzzzzzzzzz
for i in l:
	for j in i:
		print(" ".join(j))
	if not i==l[-1]:
		print("####################")

### FIXED CODE ###

l=[[[0 for i in range(10)] for i in range(3)] for i in range(4)]
n=int(input())
for i in range(n):
	a,b,c,d=list(map(int,input().split()))
	l[a-1][b-1][c-1]+=d
for i in l[:-1]:
	for j in i:
		print(" "+" ".join(list(map(str,j))))
	print("####################")

for j in l[-1]:
	print(" "+" ".join(list(map(str,j))))
import sys

def main():
    N = sys.stdin.readline()
    w = ['Sunny', 'Cloudy', 'Rainy']
    i = w.index(N)
    print(w[(i+1)%3])

if __name__=='__main__':
    main()

### FIXED CODE ###

import sys

def main():
    N = sys.stdin.readline().rstrip()
    w = ['Sunny', 'Cloudy', 'Rainy']
    i = w.index(N)
    print(w[(i+1)%3])

if __name__=='__main__':
    main()
a,b=map(int,input().split());print(sum(a,b)%24)

### FIXED CODE ###

a=map(int,input().split());print(sum(a)%24)
n = input() % 10
print('bon' if n == 3 else 'pon' if n == 0 or n == 1 or n == 6 or n == 8 else 'hon')

### FIXED CODE ###

n = int(input()) % 10
print('bon' if n == 3 else 'pon' if n == 0 or n == 1 or n == 6 or n == 8 else 'hon')
from math import gcd
n,m = map(int,input().split())
a = (n * m) // gcd(n,m)
l = ['0'] * a
s = input()
t = input()
for i in range(n):
    l[a//n*i] = s[i]
for i in range(m):
    if l[a//m*i] != '0':
        if l[a//m*i] != t[i]:
            print(-1)
            exit(0)
    else:
        l[a//m*i] = t[i]
print(a)

### FIXED CODE ###

from math import gcd
n,m = map(int,input().split())
z = n * m // gcd(n,m)
s = input()
t = input()
n = z // n
m = z // m
x = 0
y = 0
i = 0
j = 0
while x < z and y < z:
    if x > y:
        y += m
        j += 1
    elif x < y:
        x += n
        i += 1
    else:
        if s[i] != t[j]:
            print(-1)
            exit(0)
        x += n
        y += m
        i += 1
        j += 1
print(z)
d = {}
N = int(input())

for _ in range(N):
    s = str(input())
    if s in d.keys():
        d[s] += 1
    else:
        d[s] = 1

ans = []

for i in range(len(d)):
    if d[i][1] == max(d.values()):
        ans.append(d[i][0])

ans = sorted(ans)

for _ in range(len(ans)):
    print(ans[_])

### FIXED CODE ###

N = int(input())
l = []

for _ in range(N):
    s = str(input())
    l.append(s)

import collections
c = collections.Counter(l)
c = c.most_common()

most_count = c[0][1]
c.sort()

for i in range(len(c)):
    if c[i][1] == most_count:
        print(c[i][0])
import sys
 
args = sys.argv
prices = list(map(int, args[2:]))
min = prices[0]
max_profit = 0

for price in prices:
    if min > price:
        min = price
    max_profit = price - min

print(max_profit)


### FIXED CODE ###

n = input()
prices = list()
for idx in range(int(n)):
    tmp = input()
    prices.append(int(tmp))

minp = prices[0]
maxv = prices[1] - prices[0]

for price in prices[1:]:
    maxv = max(maxv, price - minp)
    minp = min(minp, price)

print(maxv)
import statistics
 
n = int(input())
d = list(map(int, input().split()))
 
if n % 2 == 1:
  print(0)
  exit()

d = sorted(d)
print(d[n/2] - d[(n/2) - 1])

### FIXED CODE ###

n = int(input())
d = list(map(int, input().split()))
 
if n % 2 == 1:
  print(0)
  exit()

d = sorted(d)
print(d[int(n/2)] - d[int(n/2) - 1])
S = str(input())
K = int(input())
n = len(S)
s = [ ]
for i in range(n):
    s.append(S[i])
s.append(S[0])
t = 0
for i in range(n):
    if s[i] == s[i+1]:
        s[i+1] = A
        t = t + 1
if s[n] == s[0]:
    T = t*K
else:
    if K == 1
    T = (t*K) - 1
print(T)

### FIXED CODE ###

A = input()
n = len(A)
S = []
R = [A[n-1]]
for i in range(n):
    S.append(A[i])
    R.append(A[i])
K = int(input())
s = 0
p = S[0]
q = S[n-1]
for i in range(n-1):
    x = S[i]
    y = S[i+1]
    if x == y:
        S[i+1] = 1
        s += 1
t = 0
for j in range(n):
    x = R[j]
    y = R[j+1]
    if x == y:
        R[j+1] = 1
        t += 1
if p != q:
    ans = s*K
else:
    if S[n-1] == 1:
        ans = s*K
    else:
        if R[n] == 1:
            k = K//2
            ans = (K-k)*s + k*t
        else:
            ans = s + (K-1)*t
print(ans)
D = int(input())
D -= 25
print 'Christmas',end=''
while D<0:
    print 'Eve',end=''
    D += 1

### FIXED CODE ###

D = int(input())
D -= 25
print('Christmas',end='')
while D<0:
    print(' Eve',end='')
    D += 1
N = int(input())
S = list(map(str, input().split()))

for i in range(len(S-1)):
    if S[i] == 'Y':
        print("Four")
        break
print("Three")

### FIXED CODE ###

N = int(input())
S = list(map(str, input().split()))

for i in range(len(S)-1):
    if S[i] == 'Y':
        print("Four")
        exit()
print("Three")
#coding:UTF-8

a = []
a,b,c = map(int,raw_input().split())
for i in range(a,b):
    if c % i == 0:
        n += 1
print n

### FIXED CODE ###

#coding:UTF-8

n = 0
a,b,c = map(int,raw_input().split())
for i in range(a,b+1):
    if c % i == 0:
        n += 1
print n
n = int(input())
d = [1] * (n + 1)
for i in range(2, n+1):
    for j in range(i, n+1, i)
        d[j] += 1
ans = 0
for i in range(1, n, 2):
  if d[i] == 8:
    ans += 1

print(ans)


### FIXED CODE ###

n = int(input())
d = [1] * (n + 1)
for i in range(2, n+1):
    for j in range(i, n+1, i):
        d[j] += 1
ans = 0
for i in range(1, n+1, 2):
  if d[i] == 8:
    ans += 1
 
print(ans)
import sympy

N = int(input())

ans = 0
for i in range(1, int(N/2)+1):
    if len(sympy.divisors(2*i+1))==8:
        ans += 1

print(ans)


### FIXED CODE ###

N = int(input())

ans = 0
for n in range(1,int(N/2)+1):
    if 2*n+1 > N:
        break
    for i in range(1,int(N**(1/2)/2)+1):
        for j in range(i+1,int(N**(1/2)/2)+1):
            for k in range(j+1,int(N**(1/2)/2)+1):
                if 2*n+1 == (2*i+1)*(2*j+1)*(2*k+1):
                    ans += 1

print(ans)
import sys
import random
n = int(input())
h = list(map(int,input().split()))

mx = h[0]
for i in range(1, n):
        
        if mx > h[i]+1:
                print('NO')
                break
        mx = max(mx,h[i+1])
else: print('Yes')

### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
 
mx = a[0]
for i in range(1, n):
    if mx-a[i]>1:
        print("No")
        break
    mx = max(mx, a[i])
else: print("Yes")
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time

sys.setrecursionlimit(10**7)
inf = 10**20
mod = 10**9 + 7

def LI(): return list(map(int, input().split()))
def LF(): return list(map(float, input().split()))
def II(): return int(input())
def LS(): return input().split()
def S(): return input()


def main():
    n,k = LI()
    a = sorted(LI(), key=lambda x: -x)
    ii = [2**i for i in range(k)]
    s = [0 for _ in range(k)]
    rs = 0
    for i in range(n):
        ai = a[i]
        iii = ii[i]
        if ai >= k:
            rs |= iii
            continue
        for j in range(k-1,0,-1):
            sj = s[j]
            if sj:
                if j+ai < k:
                    s[j+ai] |= sj
                    s[j+ai] |= iii
                else:
                    rs |= sj
                    rs |= iii
        s[ai] |= iii

    r = n
    for iii in ii:
        if (rs & iii) > 0:
            r -= 1

    return r


print(main())


### FIXED CODE ###

import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time

sys.setrecursionlimit(10**7)
inf = 10**20
mod = 10**9 + 7

def LI(): return list(map(int, input().split()))
def LF(): return list(map(float, input().split()))
def II(): return int(input())
def LS(): return input().split()
def S(): return input()


def main():
    n,k = LI()
    a = sorted(LI())
    sa = sum(a)
    if sa < k:
        return n
    if sa - a[0] < k:
        return 0

    mi = 0
    ma = n-1

    def f(m):
        am = a[m]
        if am >= k:
            return True

        t = [False] * (k-am)
        t[0] = True
        tl = len(t)
        for i in range(n):
            if i==m:
                continue
            ai = a[i]
            for j in range(tl-1,-1,-1):
                if not t[j]:
                    continue
                if k <= j+ai:
                    continue
                if j+ai >= tl:
                    return True

                t[j+ai] = True

        return False

    while mi < ma:
        m = (mi+ma) // 2
        if f(m):
            ma = m
        else:
            mi = m+1

    return mi


print(main())
N = int(input())

V = list(map(int,input().split()))
C = list(map(int,input().split()))
ans = 0
for i in range(2**N):
    X = 0
    Y = 0
    for j in range(N):
        if ((i >> j) & 1):
            X += V[j]
            Y += C[i]
    ans = max(ans, X-Y)

print(ans)
    


### FIXED CODE ###

N = int(input())

V = list(map(int,input().split()))
C = list(map(int,input().split()))

import copy

flag = [0]*N
def dfs(x, y):
    if y==1:
        flag[x] = 1
    else:
        flag[x] = 0
    if x==N-1:
        value = 0
        cost = 0
        for i in range(N):
            if flag[i] == 1:
                value += V[i]
                cost += C[i]
        # print(flag)
        # for i in range(N):
        #     flag[i] = 0
        return value - cost

    
    return max(dfs(x+1, 0),dfs(x+1, 1))

print(dfs(-1,0))
while True:
 a =input()
 op =raw_input()
 b =input()
 if(op=='?'):
  break
 if(op=='+'):
  print a+b
 elif(op=='-'):
  print a-b
 elif(op=='*'):
  print a*b
 elif(op=='/'):
  print a/b

### FIXED CODE ###

while True:
 a,op,b = map(str,raw_input().split())
 a=int(a)
 b=int(b)

 if(op=='?'):
  break
 if(op=='+'):
  print a+b
 elif(op=='-'):
  print a-b
 elif(op=='*'):
  print a*b
 elif(op=='/'):
  print a/b
n = int(input())
nums = sorted(list(map(int, input().split())))
res = 0
for i in range(0, n - 2):
	for j in range(i, n - 1):
		for k in range(j, n):
			if arr[i] + arr[j] > arr[k] and arr[i] != arr[j] and arr[j] != arr[k] and arr[i != arr[k]:
 				res += 1
print(res)

### FIXED CODE ###

n = int(input())
arr = sorted(list(map(int, input().split())))
res = 0
for i in range(0, n - 2):
	for j in range(i, n - 1):
		for k in range(j, n):
			if arr[i] + arr[j] > arr[k] and arr[i] != arr[j] and arr[j] != arr[k] and arr[i] != arr[k]:
 				res += 1
print(res)
import sys
sys.setrecursionlimit(10000)
N,M=map(int,input().split())
L=[int(input()) for _ in range(M)]
ans=0

def dfs(i):
	global ans
	if i==N:
		ans+=1
		return True
	if i>N:return False
	if i in L:return True
	if dfs(i+1)==False:return True
	if dfs(i+2)==False:return True

dfs(0)
print(ans%1000000007) 

### FIXED CODE ###

N,M=map(int,input().split())
A=set([int(input()) for _ in range(M)])
dp=[0]*(N+1)
dp[0]=1
for i in range(1,N+1):
	dp[i]=(dp[i-1]+dp[i-2])%(10**9+7)
	if i in A:
		dp[i]=0
print(dp[N])
S=input()
counter = 0
for i in len(S):
    if S[i] == '+':
        counter += 1
    else:
        counter -= 1

print(counter)

### FIXED CODE ###

S=list(input())
counter = 0
for i in range(len(S)):
    if S[i] == '+':
        counter += 1
    elif S[i] == '-':
        counter -= 1

print(counter)
N=int(input())
A=list(map(int,input().split()))
B=[0]*(N//2+N%2)
ans=0
ans2=0
if N%2==0:
    for i in range(N):
        if A[i]%2==1 and (A[i]+1)/2<=N/2:
            B[(A[i]-1)//2]+=1
        else:
            print(0)
            exit()
    for i in range(len(B)):
        if B[i]!=2:
            print(0)
            exit()
    ans=pow(2,N/2)%(pow(10,9)+7)
    ans2=int(ans)
    print(ans2)
elif N%2==1:
    for i in range(N):
        if A[i]%2==0 and A[i]/2<=(N-1)/2:
            B[A[i]//2]+=1
        else:
            print(0)
            exit()
    if B[0]!=1:
        print(0)
        exit()
    for i in range(len(B)-1):
        if B[i+1]!=2:
            print(0)
            exit()
    ans=pow(2,(N-1)/2)%(pow(10,9)+7)
    ans2=int(ans)
    print(ans2))
else:
    print(0)

### FIXED CODE ###

N=int(input())
A=list(map(int,input().split()))
B=[0]*(N//2+N%2)
IndexCount=0
IndexRe=0
Divider=pow(10,9)+7
ans=1
if N%2==0:
    for i in range(N):
        if A[i]%2==1 and (A[i]+1)/2<=N/2:
            B[(A[i]-1)//2]+=1
        else:
            print(0)
            exit()
    for i in range((N//2+N%2)):
        if B[i]!=2:
            print(0)
            exit()
    IndexCount=int((N/2)//1000)
    IndexRe=int((N/2)%1000)
    for i in range(IndexCount):
        ans=(ans*(pow(2,1000)%Divider))%Divider
    ans=(ans*(pow(2,IndexRe)%Divider))%Divider
    print(ans)
elif N%2==1:
    for i in range(N):
        if A[i]%2==0 and A[i]/2<=(N-1)/2:
            B[A[i]//2]+=1
        else:
            print(0)
            exit()
    if B[0]!=1:
        print(0)
        exit()
    for i in range((N//2+N%2)-1):
        if B[i+1]!=2:
            print(0)
            exit()
    IndexCount=int(((N-1)/2)//1000)
    IndexRe=int(((N-1)/2)%1000)
    for i in range(IndexCount):
        ans=(ans*(pow(2,1000)%Divider))%Divider
    ans=(ans*(pow(2,IndexRe)%Divider))%Divider
    print(ans)
else:
    print(0)
N = int(input())

res = 1
for i in range(n):
  res *= (i+1)

print(res)

### FIXED CODE ###

n = int(input())

print(int(0.5 * n * (n+1)))
k = int(input())
a, b = map(int, input().split())

flag = 0
for i in range(1000):
    if (a <= k * (i+1) and (b >= k * (i+1):
        print("OK")
        flag=1
        break
if flag != 1:
    print("NO")

### FIXED CODE ###

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

flag = 0
for i in range(1000):
    if (a <= k * (i+1)) and (b >= k * (i+1)):
        print("OK")
        flag = 1
        break
if flag != 1:
    print("NG")
n,t=list(map(int,input().split()))
l=[]
for i in range(n):
    l.append(tuple(map(int,input().split())))

l=sorted(l,key=lambda x:x[0])
for i in l:
    if i[1]<=t:
        print(i[0])
        exit(1)
print('TLE')


### FIXED CODE ###

n,t=list(map(int,input().split()))
l=[]
for i in range(n):
    l.append(tuple(map(int,input().split())))

l=sorted(l,key=lambda x:x[0])
for i in l:
    if i[1]<=t:
        print(i[0])
        exit()
print('TLE')
s = input()
k = int(input())

if s[:k+1] == "1"*k:
    print(1)
else:
    for i in range(len(s)):
        if s[i] != "1":
            print(s[i])
            break

### FIXED CODE ###

s = input()
k = int(input())

for i in range(k):
    if s[i] != "1":
        print(s[i])
        break
else:
    print(1)