Harryxun/stf_run huggingface dataset:
import numpy as np
N = int(input())
Hs = list(map(int, input().split()))
nHs = np.array(Hs)
h = np.tile(nHs, (N, 1))
co = h - np.array([[abs(n-i)-Hs[n] for i in range(N)] for n in range(N)])
ans = np.sum(co==0)
print(ans//2)

### FIXED CODE ###

from collections import Counter
N = int(input())
A = list(map(int, input().split()))
L = [A[i]+i for i in range(N)]
R = [i-A[i] for i in range(N)]
c = Counter(R)

ans = 0
for l in L:
    ans += c[l]

print(ans)
n = input()
a = list(map(int, input().split()))
for i in a:
    ans = min(ans, len(bin(i)) - bin(i).rfind("1") - 1)
print(round(ans))

### FIXED CODE ###

import math
n = input()
a = list(map(int, input().split()))
ans = float("inf")
for i in a:
    ans = min(ans, len(bin(i)) - bin(i).rfind("1") - 1)
print(round(ans))
class RMQ:
    def __init__(self, length, ini_num = float("inf")):
        self.length = 1
        while self.length <= n:
            self.length <<= 1
        self.segtree = [ini_num] * (2 * self.length - 1)

    def update(self, index, n):
        leaf_index = index + self.length - 1
        self.segtree[leaf_index] = n
        while leaf_index > 0:
            leaf_index = (leaf_index - 1) // 2
            self.segtree[leaf_index] = min(self.segtree[leaf_index * 2 + 1], self.segtree[leaf_index * 2 + 2])

    def find(self, a, b, index, l, r):
        if a <= l <= r <= b or a == b:
            return self.segtree[index]
        if b <= l or r <= a:
            return float("inf")
        else:
            return min(self.find(a, b, index * 2 + 1, l, (l + r) // 2), self.find(a, b, index * 2 + 2, (l + r) // 2, r))

v_num, query = (int(n) for n in input().split(" "))
rmq = RMQ(v_num, 2147483647)
for _ in range(query):
    com, i, n = (int(n) for n in input().split(" ") )
    if com == 0:
        rmq.update(i, n)
    else:
        print(rmq.find(i, n, 0, 0, rmq.length))

### FIXED CODE ###

class RMQ:
    def __init__(self, length, ini_num = float("inf")):
        self.length = 1
        self.ini_num = ini_num
        while self.length < length:
            self.length <<= 1
        self.segtree = [ini_num] * (2 * self.length - 1)

    def update(self, index, n):
        leaf_index = index + self.length - 1
        self.segtree[leaf_index] = n
        while leaf_index > 0:
            leaf_index = (leaf_index - 1) // 2
            self.segtree[leaf_index] = min(self.segtree[leaf_index * 2 + 1], self.segtree[leaf_index * 2 + 2])

    def find(self, a, b, index, l, r):
        if a <= l <= r <= b:
            return self.segtree[index]
        elif b < l or r < a:
            return self.ini_num
        else:
            return min(self.find(a, b, index * 2 + 1, l, (l + r) // 2), self.find(a, b, index * 2 + 2, (l + r) // 2 + 1, r))

v_num, query = map(int, input().split(" "))
rmq = RMQ(v_num, 2147483647)
for _ in [0] * query:
    com, i, n = map(int, input().split(" "))
    if com == 0:
        rmq.update(i, n)
    else:
        print(rmq.find(i, n, 0, 0, rmq.length - 1))
inp = int(input())

for  i in range(1,n+1):
    i = 1
    x = i
    if(x%3 == 0):
        print(" %d", end="")
    else:
        while(x):
            if(x%10 == 3):
                print(" %d", end="")
                break
            else:
                x //= 10

        
        

check(inp)


### FIXED CODE ###

n = int(input())

for  i in range(1,n+1):
    if i%3 == 0 or str(i).find("3") != -1:
        print(" %d" %i ,end="")
print()
mod = 10 ** 9 + 7

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

ret = 1
cnt = [0] * n
zero = 0
for x in a:
    if x:
        ret = ret * cnt[x - 1] % mod
        cnt[x - 1] -= 1
    else:
        zero += 1
    cnt[x] += 1

if zero == 1:
    ret = ret * 3 % mod
elif 2 <= zero <= 3:
    ret = ret * 6 % mod
else:
    raise ValueError

print(ret)


### FIXED CODE ###

def solve():
    mod = 10 ** 9 + 7

    n = int(input())
    a = tuple(map(int, input().split()))

    ret = 1
    cnt = [0] * (n + 10)
    cnt[0] = 3

    for x in a:
        cnt[x + 1] += 1
        ret = (ret * cnt[x]) % mod
        cnt[x] -= 1

    print(ret)


if __name__ == '__main__':
    solve()
n,w = map(int, input().split())
lst_weight = [0 for _ in range(n)]
lst_value = [0 for _ in range(n)]
for i in range(n):
    lst_weight[i], lst_value[i] = map(int, input().split())
dp = [[0 for i in range(w)] for j in range(n+1)]

#後者が前者よりも大きい時に更新→DPテーブルを-infに初期化
def chmax(a,b):
    if(a< b):
        return b
    else:
        return a

#各品物の選択
for i in range(n):
    for sum_w in range(w+1):
        #選択した品物を加える
        if sum_w >= lst_weight[i]:
            #今回の手の暫定最大値と1つ前までの手の確定最大値を比較する
            dp[i+1][sum_w] = chmax(dp[i+1][sum_w], dp[i][sum_w-lst_weight[i]] + lst_value[i])
        else:
            # i番目の品物を選ばない→前までの手で最適化されている最大値が次の手の最大値になるはず
            dp[i+1][sum_w] = chmax(dp[i+1][sum_w], dp[i][sum_w])
            
print(dp[n][w])

### FIXED CODE ###

import sys
import numpy as np
N, W = map(int, input().split())
def knapsack(n, w):
    # dp[i][j] : i番目の品物で重さj以下の価値の最大値
    dp = np.zeros([N+1, W+1], dtype='int64')
    # forは関数の中で回す。
    for i in range(N):
        w, v = map(int, input().split())
        # i+1番目でwより小さい場合は、i番目と変更なし
        dp[i+1][:w] = dp[i][:w]
        dp[i+1][w:] = np.maximum(dp[i][w:], dp[i][:-w] + v)
    return dp[-1][-1]

print(knapsack(N, W))
n=int(input())
t=[int(input()) for _ in range(n)]
ans = t[0]
for i in range(1, n):
    ans = ans * a[i] // fractions.gcd(ans, t[i])
print(ans)

### FIXED CODE ###

import fractions

n=int(input())
t=[int(input()) for _ in range(n)]
ans = t[0]
for i in range(1, n):
    ans = ans * t[i] // fractions.gcd(ans, t[i])
print(ans)
def     RemoveDoublons(pile, elem):
    i = 0
    l = len(pile)
    while (i < l):
        val = pile[i]
        if (val[0] == elem[0] and val[1] == elem[1]):
            pile.pop(i)
            l -= 1
        i += 1
    return pile

def     findCloser(pile, distance):
    pos = 0
    elem = pile[0]
    bestDist = distance[elem[0]][elem[1]]
    if (bestDist == 0):
        return 0
    for i in range(len(pile)):
        val = pile[i]
        if (distance[val[0]][val[1]] < bestDist):
            elem = val
            bestDist = distance[elem[0]][elem[1]]
            pos = i
            if (bestDist == 0):
                return pos
    return pos

def     isValidCase(i, j, size, mappy):
    if (i < 0 or  j < 0 or i >= size[0] or j >= size[1] or not mappy[i][j]):
        return False
    return True

def     Calculdist(i, j, elem):
    if ((i == elem[0] and  abs(j - elem[1]) == 1) or (j == elem[1] and  abs(i - elem[0]) == 1)):
        return 0
    return 1

def printMappy(distance):
    for i in range(len(distance)):
        print(distance[i])

def     parcour(mappy, distance, start, end, size):
    pile = [start]
    distance[start[0]][start[1]] = 0

    while(len(pile) > 0):
        pos = findCloser(pile, distance)
        elem = pile.pop(pos)
        pile = RemoveDoublons(pile, elem)
        myDist = distance[elem[0]][elem[1]]
        if (elem[0] == end[0] and elem[1] == end[1]):
            return myDist
        for i in range(elem[0] - 2, elem[0] + 3):
            for j in range(elem[1] - 2, elem[1] + 3 ):
                if (isValidCase(i, j, size, mappy) and not (i == elem[0] and j == elem[1])):
                    dist = Calculdist(i, j, elem)
                    if (myDist + dist < distance[i][j]):
                        distance[i][j] = myDist + dist
                        pile.append([i,j])
    return -1


data = input().split()
size = [int(data[0]) , int(data[1])]
data = input().split()
start = [int(data[0]) - 1, int(data[1]) - 1]
data = input().split()
end = [int(data[0]) - 1, int(data[1]) - 1]

LIM = 999
mappy = []
distance = []
for i in range(size[0]):
    tmp = [False] * size[1]
    tmp2 = [LIM] * size[1]
    s = input()
    for j in range(size[1]):
        if (s[j] == '.'):
            tmp[j] = True
    mappy.append(tmp)
    distance.append(tmp2)
res = parcour(mappy, distance, start, end, size)
print(res)



### FIXED CODE ###



data = input().split()

n,x,t = int(data[0]), int(data[1]), int(data[2])

res = (n // x) * t
if (n%x != 0):
    res += t
print(res)
n = list(map(int, input().split()))
if(n[1] == 0):
  print(n[0])
  exit()
x = list(map(int, input().split()))

for i in range(1,102):
  if n[0] - i not in x:
    print(n[0] - i)
    break
  elif n[0] + i not in x:
    print(n[0] + i)
    break


### FIXED CODE ###

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

for i in range(5):
  if(n[i] != i+1):
    print(i+1)
    exit()
def main():
  n = input()
  print("Yes" if n.count(7) > 0 else "No")
  

if __name__ == "__main__":
  main()


### FIXED CODE ###

def main():
  n = input()
  print("Yes" if n.count("7") > 0 else "No")
  

if __name__ == "__main__":
  main()
l=map(int,input().split())
if(l[0]==l[1]):
  print(l[2])
elif(l[1]==l[2]):
  print(l[0]):
else:print(l[1])

### FIXED CODE ###

l=list(map(int,input().split()))
if(l[0]==l[1]):
  print(l[2])
elif(l[1]==l[2]):
  print(l[0])
else:print(l[1])
import sys

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as numpy

data = np.fromstring(read(), np.int64, sep = ' ')

N, K = data[:2]
P = np.hstack([[0], data[2:] + 1])

Pcum = P.custom()
x = Pcum[K:] - Pcum[0:-K]
print(x.max()/2)

### FIXED CODE ###

N, K = map(int, input().split())
P = list(map(int, input().split()))
lst = [0]
for x in P:
  lst.append(lst[-1] + (x+1)/2)

res = -1
for i in range(N-K+1):
  sum = lst[i+K]-lst[i]
  res = max(res, sum)

print("{:.6f}".format(res))
N, M = map(int,input().split())
array = sorted(list(map(int,input().split())))
convert = [list(map(int,input().split())) for _ in range(M)]
convert.sort(key=lambda x: x[1])
convert.reverse()
i = 0
for j in range(M):
  #array.sort()
  start = 0
  while (array[i] < convert[j][1]) & (start < convert[j][0]):
    array[i] = convert[j][1]
    i += 1
    start += 1
print(sum(array))



### FIXED CODE ###

N, M = map(int,input().split())
array = sorted(list(map(int,input().split())))
convert = [list(map(int,input().split())) for _ in range(M)]
convert.sort(key=lambda x: x[1])
convert.reverse()
i = 0
for j in range(M):
  #array.sort()
  start = 0
  while (array[i] < convert[j][1]) & (start < convert[j][0]):
    array[i] = convert[j][1]
    #print(array)
    i += 1
    start += 1
    if i == N:
      break
  if i == N:
    break

print(sum(array))
import numpy as num
N = int(input())
A = list(map(int,input().split()))
ary = num.array(A)
b = len(A)
S=1
ans = 0
while True:
  for i in range(b):
    S*=A[i]
  if S %2 == 0:
    ans+=1
    ary = ary/2
    ary=A
    S=1
  else:
    print(ans)
    exit()

### FIXED CODE ###

N = int(input())
A = list(map(int,input().split()))
pre=0
ans = 0
while True:
  for i in range(N):
    if(A[i]/2)%1==0:
      pre+=1
  if pre == N:
      ans+=1
      A=[x/2 for x in A]
      pre =0
  else:
      print(ans)
      exit()
N, P = map(int, input().split())
num = input().strip()
dp = [0] * N
ans = 0
last = 0
for i in range(N):
    last = (10 * last + int(num[i])) % P
    if last == 0:
        ans += 1 + dp[last]
        dp[last] += 1
    else:
        ans += dp[last]
        dp[last] += 1
print(ans)


### FIXED CODE ###

N, P = map(int, input().split())
num = input().strip()
ans = 0
if P == 2:
    for idx, nu in enumerate(num):
        if nu in '24680':
            ans += idx + 1
elif P == 5:
    for idx, nu in enumerate(num):
        if nu in '50':
            ans += idx + 1
else:
    nnum = [0] * N
    base = 1
    for i in range(N-1, -1, -1):
        nnum[i] = (int(num[i]) * base) % P
        base = (base * 10) % P
    for i in range(1, N):
        nnum[i] = (nnum[i] + nnum[i-1]) % P
    dp = [0] * P
    for i in range(N):
        if nnum[i] == 0:
            ans += 1 + dp[nnum[i]]
        else:
            ans += dp[nnum[i]]
        dp[nnum[i]] += 1
print(ans)
import re
if re.match ("(hi)"+, input()):
    print ("Yes")
else:
    print ("No")

### FIXED CODE ###

import re
if re.match ("^(hi)+$", input()):
    print ("Yes")
else:
    print ("No")
N=int(input())
A=list(map(int,input().split()))
     
number_of_items=0
for X in range(min(A)-1, max(A)+1):
    number_of_items.append(A.count(X)+A.count(X-1)+A.count(X+1))
print(max(number_of_items))

### FIXED CODE ###

N=int(input())
A=list(map(int,input().split()))
bucket=[0]*(max(A)+1)
answer=0
for number in A:
    bucket[number]+=1
if len(bucket)<3:
    answer=sum(bucket)
for i in range(1,max(A)):
    candidate=bucket[i-1]+bucket[i]+bucket[i+1]
    if candidate>answer:
        answer=candidate
print(answer)
s = input()
for c, i in enumerate(s):
  s[i] = 'x'
print(s)

### FIXED CODE ###

s = len(input())
print('x' * s)
list=[]
for i in range(10):
   list.append(input())
list.sort(reverse=true)
for i in range(3):
   print list[i]   

### FIXED CODE ###

list=[]
for i in range(10):
   list.append(input())
list.sort(reverse=True)
for i in range(3):
   print list[i]
[sx, sy, tx, ty]=list(map(int,input().split()))
a1=["R"]*(tx-sx)+["U"]*(ty-sy)+["L"]*(tx-sx)+["D"]*(ty-sy)
a2=["D"]+["R"]*(tx-sx+1)+["U"]*(ty-sy+1)+["L"]+["U"]+["L"]*(tx-sx+1)+["D"]*(ty-sy+1)+["R"]
ans=a1+a2
for i in range(len(ans))
	print(ans[i],end=" ")




### FIXED CODE ###

[sx, sy, tx, ty]=list(map(int,input().split()))
a1=["R"]*(tx-sx)+["U"]*(ty-sy)+["L"]*(tx-sx)+["D"]*(ty-sy)
a2=["D"]+["R"]*(tx-sx+1)+["U"]*(ty-sy+1)+["L"]+["U"]+["L"]*(tx-sx+1)+["D"]*(ty-sy+1)+["R"]
ans=a1+a2
for i in range(len(ans)):
	print(ans[i],end="")
# -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0585

"""
import sys
from sys import stdin
from math import sqrt
input = stdin.readline


def closest_part(points, n):
    # ?????¬???p324???
    if n <= 1:
        return float('inf')
    m = n // 2
    x = points[m][0]
    d = min(closest_part(points[:m], m), closest_part(points[m:], n-m))

    points.sort(key=lambda x:x[1])
    b = []
    for i in range(n):
        if abs(points[i][0] - x) >= d:
            continue
        for j in range(len(b)):
            dx = points[i][0] - b[-j-1][0]
            dy = points[i][1] - b[-j-1][1]
            if dy >= d:
                break
            d = min(d, (dx**2 + dy**2))
        b.append(points[i])
    return d


def main(args):
    n = int(input())
    points = [tuple(map(int, input().split())) for _ in range(n)]
    points.sort()               #  x????????§??????????????????

    result = closest_part(points, n)
    print(result)


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

### FIXED CODE ###

# -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0585

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


def closest_part1(points, n):
    # ?????¬???p324???
    if n <= 1:
        return float('inf')
    m = n // 2
    x = points[m][0]
    d = min(closest_part1(points[:m], m), closest_part1(points[m:], n-m))

    points.sort(key=lambda x:x[1])
    b = []
    for i in range(n):
        if (points[i][0] - x)**2 >= d:
            continue
        for j in range(len(b)):
            dx = points[i][0] - b[-j-1][0]
            dy = points[i][1] - b[-j-1][1]
            if dy**2 >= d:
                break
            d = min(d, (dx**2 + dy**2))
        b.append(points[i])
    return d


def closest_part2(points, n):
    if n <= 1:
        return float('inf')
    m = n // 2
    x = points[m][0]
    d = min(closest_part2(points[:m], m), closest_part2(points[m:], n-m))
    points.sort(key=lambda p:p[1])
    b = []
    for p in points:
        if (p[0] - x)**2 >= d:
            continue
        for q in b:
            dx = p[0] - q[0]
            dy = p[1] - q[1]
            if dy**2 >= d:
                break
            d = min(d, (dx**2 + dy**2))
        b.insert(0, p)
    return d


def closest_part3(points, n):
    if n <= 1:
        return float('inf')
    m = n // 2
    x = points[m][0]
    d = min(closest_part3(points[:m], m), closest_part3(points[m:], n-m))
    points.sort(key=lambda p:p[1])
    b = []
    for p in points:
        if (p[0] - x)**2 >= d:
            continue
        for q in b[::-1]:
            dx = p[0] - q[0]
            dy = p[1] - q[1]
            if dy**2 >= d:
                break
            d = min(d, (dx**2 + dy**2))
        b.append(p)
    return d


def main(args):
    n = int(input())
    points = [tuple(map(int, input().split())) for _ in range(n)]
    points.sort()               #  x????????§??????????????????

    result = closest_part3(points, n)
    print(result)


if __name__ == '__main__':
    main(sys.argv[1:])
S = input()
T = 0
K = len(S)/2 if len(S)%2 == 0 else len(S)//2+1
for i in range(len(S)//2):
  if S[i] != S[K + i]:
    T+=1
print(T)

### FIXED CODE ###

S = input()
T = 0
for i in range(len(S)//2):
  if S[i] != S[len(S) -1 -i]:
    T+=1
print(T)
import copy
import itertools
from scipy.special import comb

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

divided = []
for i in range(N):
    divided.append(A_list.count(i + 1))

for k in range(1, N + 1):
    tmp_divided = copy.deepcopy(divided)
    tmp_divided[A_list[k - 1] - 1] -= 1

    ans = 0
    for j in tmp_divided:
        ans += comb(j, 2)

    print(int(ans))

### FIXED CODE ###

import collections
import math

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

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

counts = collections.Counter(A_list)
ans = 0
for _, v in counts.items():
    # ans += len(list(itertools.combinations(range(v), 2)))
    if v > 1:
        ans += combinations_count(v, 2)

for k in range(1, N + 1):
    n = counts[A_list[k - 1]]
    ans_k = ans
    if n > 1:
        ans_k -= n - 1

    print(int(ans_k))
A, B = map(int, input().split())
import math
gcd = math.gcd(A, B)
#gcd
"""nを素因数分解"""
"""2以上の整数n => [[素因数, 指数], ...]の2次元リスト"""
# n == 1のとき、[1, 1]を返す
def factorization(n):
    
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr
if gcd == 1:
    print(1)
else:
    ans = len(factorization(gcd)) + 1
    print(ans)

### FIXED CODE ###

a, b = map(int, input().split())
import fractions
gcd = fractions.gcd(a, b)
def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])
    #arr.append([1, 1])
    return arr
if a == 1 or b == 1:
    print(len(factorization(gcd)))
    quit()
print(len(factorization(gcd)) + 1)
A = [int(n) for n in input().split())
print(A[0]*A[1]/2)

### FIXED CODE ###

A = [int(n) for n in input().split()]
print(int(A[0]*A[1]/2))
n = input()
m = n.split()
l = m[2:]
s = sorted(l, reverse=True)
p = 0
for i in range(0,int(m[1])):
    p = p + int(l[i])
print(int(p))

### FIXED CODE ###

n = input()
m = n.split()
a = [input() for l in range(0,1)]
b = a[0].split()
for i in range(0, len(b)):
    b[i] = int(b[i])
c = sorted(b, reverse=True)
p = 0
for i in range(int(m[0]) - int(m[1]),int(m[0])):
    p = p + int(c[i])
print(p)
X = int(input())
A = int(input())
B = int(input())

tmp=X-A

while tmp => B:
  tmp=tmp-B
print(tmp)


### FIXED CODE ###

X = int(input())
A = int(input())
B = int(input())

tmp=X-A

while tmp >= B:
  tmp=tmp-B
print(tmp)
s = input()
s_list = []
input_list = []

for i in range(len(s)):
    s_list.append(s[i])

for i2 in range(len(s)):
    if s_list[i2] == "0":
        input_list.append("0")
    elif s_list[i2] == "1":
        input_list.append("1")
    elif s_list[i2] == "B" and input_list != 0:
        input_list.pop(-1)
    else:
        pass

for i3 in range(len(input_list)):
    print(input_list[i3],end="")


### FIXED CODE ###

s = input()
s_list = []
input_list = []

for i in range(len(s)):
    s_list.append(s[i])

for i2 in range(len(s)):
    if s_list[i2] == "0":
        input_list.append("0")
    elif s_list[i2] == "1":
        input_list.append("1")
    elif input_list == []:
      pass
    else:
      input_list.pop(-1)
      

for i3 in range(len(input_list)):
    print(input_list[i3],end="")
N, Q = map(int, input().split())
edges = [list(map(int, input().split())) for _ in range(N-1)]
operations = [list(map(int, input().split())) for _ in range(Q)]

edge_map = {}
for i in range(N):
    edge_map[i] = []

for edge in edges:
    a = edge[0]
    b = edge[1]
    edge_map[a-1].append(b-1)
    edge_map[b-1].append(a-1)

counters_map = [None for i in range(N)]

def dfs(idx, parent):
    global counters_map
    if counters_map[idx]:
        return counters_map[idx]
    counter = [idx]
    for child in edge_map[idx]:
        if child == parent:
            continue
        counter.extend(dfs(child, idx))
    counter = list(set(counter))
    counters_map[idx] = counter
    return counter

dfs(0, None)

counters = [0 for i in range(N)]

for operation in operations:
    p = operation[0]
    x = operation[1]
    counters[p-1] += x


res_list = [0 for i in range(N)]
for i in range(N):
    diff = counters[i]
    for child_idx in counters_map[i]:
        res_list[child_idx] += diff

ans = ""
for res in res_list:
    ans += str(res) + " "
print(ans)


### FIXED CODE ###

from collections import deque
N, Q = map(int, input().split())
edges = [list(map(int, input().split())) for _ in range(N-1)]
operations = [list(map(int, input().split())) for _ in range(Q)]

edge_map = [[] for i in range(N)]

for edge in edges:
    a = edge[0]
    b = edge[1]
    edge_map[a-1].append(b-1)
    edge_map[b-1].append(a-1)


counters = [0]*N

for operation in operations:
    p = operation[0]
    x = operation[1]
    counters[p-1] += x


res_list = [counters[i] for i in range(N)]
calculated = [False for i in range(N)]

target = [0]
while len(target) > 0:
    t = target.pop()
    calculated[t] = True
    for child in edge_map[t]:
        if calculated[child]:
            continue
        target.append(child)
        res_list[child] += res_list[t]

print(*res_list)
import collections
N=int(input())
siritori=collections.defaultdict(int)
prev=""
for i in range(N):
  word = imput()
  if word in siritori:
    print("No")
  elif prev[-1]==word[0]:
    print("No")
    siritori[word]+=1
print("Yes")

### FIXED CODE ###

import collections
N=int(input())
siritori=collections.defaultdict(int)
prev=" "
for i in range(N):
  word = input()
  if word in siritori:
    print("No")
    exit(0)
  elif prev[-1]!=word[0] and i != 0:
    print("No")
    exit(0)
  siritori[word]+=1
  prev=word
print("Yes")
#A問題
N,M = map(int,input().split())
A = []
mod = 1000000007
for i in range(M):
    A.append(int(input()))

sta = []
for i in range(N):
    if i == 0:
        sta.append(1)
    elif i == 1:
        sta.append(1)
    elif i == 2:
        sta.append(2)
    else:
        sta.append(sta[i-1]+sta[i-2])

row = []
now = 1
flag = 0
for i in range(N):
    I = i+1
    if i == 0:
        if I in A:
            now = 0
            flag = 1
        else:
            now+=1
    else:
        if I in A:
            if flag == 1:
                flag = 2
                break
            else:
                row.append(now)
                now = 0
                flag = 1
        else:
            flag = 0
            now+=1
row.append(now)
ans = 1
for r in row:
    ans*=sta[r-1]
if flag == 2:
    print(0)
else:
    print(ans%mod)

### FIXED CODE ###

#C問題
mod = 10**9+7
N,M = map(int,input().split())

step = []
for i in range(N+2):
    if i <= 1:
        step.append(1)
    elif i == 2:
        step.append(1)
    else:
        step.append(step[i-1]+step[i-2])
    
A = []
for j in range(M):
    A.append(int(input()))

stairs = []
flag = 0
old = -1
for a in A:
    if a-old == 1:
        flag = 1
        break
    else:
        stairs.append(a-old-1)
        old = a
stairs.append(N-old)

if flag == 1:
    print(0)
else:
    #print(stairs)
    ans = 1
    for s in stairs:
        ans*=step[s]
        
    print(ans%mod)