Harryxun/stf_run huggingface dataset:
import sys
from collections import defaultdict, deque, Counter
import math
 
# import copy
from bisect import bisect_left, bisect_right
# import heapq
 
# sys.setrecursionlimit(1000000)
 
# input aliases
input = sys.stdin.readline
 
getS = lambda: input().strip()
getN = lambda: int(input())
getList = lambda: list(map(int, input().split()))
getZList = lambda: [int(x) - 1 for x in input().split()]
 
INF = 10 ** 20
MOD = 10**9 + 7
divide = lambda x: pow(x, MOD-2, MOD)
 
class Segtree_op():
     def __init__(self, n):
         self.size = 1
         while(n >= 1):
             self.size = self.size << 1
             n = n//2
 
         self.arr = [self.unit() for i in range(self.size*2)]
 
     def op(self, lch, rch):
         # update min with holding index
         return lch + rch
 
     def unit(self):
         return 0
 
     def update(self, k, val):
         k += self.size - 1
         self.arr[k] = val
         while(k):
             k = (k - 1) // 2
             self.arr[k] = self.op(self.arr[k*2 + 1], self.arr[k*2 + 2])
 
     def query(self, l, r):
         L = l + self.size
         R = r + self.size
         s = self.unit()
         while L < R:
             if R & 1:
                 R -= 1
                 s = self.op(s, self.arr[R - 1])
 
             if L & 1:
                 s = self.op(s, self.arr[L - 1])
                 L += 1
             L >>= 1
             R >>= 1
         return s
 
 
     def show(self):
         idx = 1
         while(idx <= self.size):
             print(self.arr[idx - 1:idx * 2 - 1])
             idx *= 2
def tento(nums):
    n = len(nums)
    st = Segtree_op(n)
    ret = 0
    for i, num in enumerate(nums):
        st.update(num, st.query(num, num+1)+1)
        # st.show()
        ret += i - st.query(0, num+1) + 1

    return ret



def main():
    n, kk = getList()
    nums = getList()
    ten = tento(nums)
    oneset = 0
    for k, v in Counter(nums).items():
        oneset += n - v
    # print(ten, oneset)
    print((kk * ten + kk * (kk-1) * oneset // 4)% MOD)

if __name__ == "__main__":
    main()
   

### FIXED CODE ###

import sys

input = sys.stdin.readline
sys.setrecursionlimit(1000000)


def getN():
    return int(input())


def getList():
    return list(map(int, input().split()))


import math
MOD = 10 ** 9 + 7

n, k = getList()
anums = getList()

space = [[] for i in range(2002)]
remain = [1 for j in range(n)]
yet = n

for i, x in enumerate(anums):
    space[x].append(i)


ans = 0
for s in space:
    if s:
        jump = 0
        ls = len(s)
        yet -= ls
        for num in s:
            jump += sum(remain[:num])
            remain[num] = 0
            # print(jump)
        ans += ls * (yet * (k * (k-1))) // 2
        ans += jump * k
        # print(ans, jump, yet)
        # remain[num] = 0

        ans %= MOD
        # yet -= len(s)
        # yet -= 1
print(ans)
# print((43 * (998244353*998244354) // 2) % MOD)
a=input()
a[3]="8"
print(a)

### FIXED CODE ###

print("2018"+input()[4:])
n, x = map(int, input().split())
a = list(map(int, input().split()))

a.sort()
count = 0

while x > min(a):
for i in a:
    if x >= i:
        x -= i
        count += 1
    else:
        pass
        
print(count)

### FIXED CODE ###

N, x = map(int, input().split())
a = sorted(map(int, input().split()))
cnt = 0
for i in a:
    if x < i:
        break
    cnt += 1
    x -= i
else:
    if x > 0:
        cnt -= 1
print(cnt)
n, a, b = map(int, input().split())

d = b-a
d_nearest_side = int(min(a-1, n-b))
if d % 2 == 0:
    print(int(d/2))
else:
    move_side = int((d+1)/2) + d_nearest_side
    print(int(move_side)

### FIXED CODE ###

n, a, b = map(int, input().split())
d = b-a
d_nearest_side = min(a-1, n-b)
if d % 2 == 0:
    print(d//2)
else:
    move_side = 1 + (d-1)//2 + d_nearest_side
    print(int(move_side))
n, x = map(int, input().split())
l = input().split()
for i in range(n):
    l[i] = int(l[i])

i = 0
sum = 0
while x >= sum:
    sum += l[i]
    i += 1
    
print(i)

### FIXED CODE ###

n, x = map(int, input().split())
l = input().split()
for i in range(n):
    l[i] = int(l[i])

cnt = 1
sum = 0
for i in range(n):
    sum += l[i]
    if sum > x:
        break
    cnt += 1
    
print(cnt)
from math import sqrt 

n = int(input())

x = int(sqrt(n))
if n == 2:
    print(0)
    exit()
ans = n-1
for i in range(2, x+1):
    y = dt = n//i
    while n//dt == n//y and n%y <= n//y:
        if n//y == n%y:
            ans += y
            break
        y -= 1
        if y == 1:
            break
        # print x,y,ans
print(ans)

### FIXED CODE ###

a,b=map(int,raw_input().split())
print a-b+1
n = int(input())
def dfs(cur, a, b, c):
    if cur == n:
        return 0
    ret = 1 if all(s.count(c)) > 0 for c in "753") else 0
    for i in "753":
        ret += dfs(s+c)
    return ret
print(dfs("0"))

### FIXED CODE ###

N = int(input())

def dfs(s): 
    if int(s) > N:
        return 0
    ret = 1 if all(s.count(c) > 0 for c in '753') else 0
    for c in '753':
        ret += dfs(s + c)
    return ret

print(dfs('0'))
from collections import deque
n = int(input())
a = deque()
for i in range(n):
    s = input().split(" ")
    if s[0] == "insert":
        a.appendleft(int(s[1]))
    elif s[0] == "delete":
        a.remove(int(s[1]))
    elif s[0] == "deleteLast":
        a.pop()
    elif s[0] == "deleteFirst":
        a.popleft()
b = list(a)
for i in range(len(b)):
    if i == len(b)-1:
        print(b[i])
    else:
        print(b[i],end=" ")

### FIXED CODE ###

from collections import deque
n = int(input())
a = deque()
for i in range(n):
    s = input().split(" ")
    if s[0] == "insert":
        a.appendleft(int(s[1]))
    elif s[0] == "delete":
        if int(s[1]) in a:
            a.remove(int(s[1]))
    elif s[0] == "deleteLast":
        a.pop()
    elif s[0] == "deleteFirst":
        a.popleft()
b = list(a)
for i in range(len(b)):
    if i == len(b)-1:
        print(b[i])
    else:
        print(b[i],end=" ")
# coding: utf-8
import math

count = 0
num, blue_num, red_num = map(int, input().split())
all_ball = blue_num + red_num
count = num // (all_ball)
rest = n % all_ball
print(count * all_ball + min(rest, blue_num))


### FIXED CODE ###

# coding: utf-8
import math

count = 0
num, blue_num, red_num = map(int, input().split())
all_ball = blue_num + red_num
count = num // all_ball
rest = num % all_ball
print(count * blue_num + min(rest, blue_num))
N, X = map(int,input().split())
L = list(map(int,input().split()))
D = 0
ans = 0
while D<=X and ans<N+1:
    D+=L[ans]
    ans+=1
print(ans)

### FIXED CODE ###

N, X = map(int,input().split())
L = list(map(int,input().split()))
ans = 1
D = L[0]
while D<=X and ans<N+1:
    ans+=1
    if ans < N+1: #N+1回以降ははねない
        D+=L[ans-1]
print(ans)
r1,c1,r2,c2=map(int,input().split())

mod = 10**9+7
MAX_N = 10**6

fact = [1]
fact_inv = [0]*(MAX_N+4)
for i in range(MAX_N+3):
    fact.append(fact[-1]*(i+1)%mod)

fact_inv[-1] = pow(fact[-1],mod-2,mod)
for i in range(MAX_N+2,-1,-1):
    fact_inv[i] = fact_inv[i+1]*(i+1)%mod

def comb(n,k,mod):
    return fact[n] * fact_inv[k] % mod * fact_inv[n-k] %mod

ans=0
ans+=comb(c1+r1,r1,mod)
ans%=mod
ans-=comb(c1+r2+1,r2+1,mod)
ans%=mod
ans-=comb(c2+r1+1,r1,mod)
ans%=mod
ans+=comb(c2+r2+2,r2+1,mod)
ans%=mod

print(ans)


### FIXED CODE ###

r1,c1,r2,c2=map(int,input().split())

mod = 10**9+7
MAX_N = 3*10**6

fact = [1]
fact_inv = [0]*(MAX_N+4)
for i in range(MAX_N+3):
    fact.append(fact[-1]*(i+1)%mod)

fact_inv[-1] = pow(fact[-1],mod-2,mod)
for i in range(MAX_N+2,-1,-1):
    fact_inv[i] = fact_inv[i+1]*(i+1)%mod

def comb(n,k,mod):
    if n<k:return 0
    return fact[n] * fact_inv[k] % mod * fact_inv[n-k] %mod

ans=0
ans+=comb(c1+r1,r1,mod)
ans%=mod
ans-=comb(c1+r2+1,r2+1,mod)
ans%=mod
ans-=comb(c2+r1+1,r1,mod)
ans%=mod
ans+=comb(c2+r2+2,r2+1,mod)
ans%=mod

print(ans)
n,l = map(int,input().split())
s = sorted([input() for i in range(n)])
print(*s,seq="")

### FIXED CODE ###

n,l = map(int,input().split())
s = sorted([input() for i in range(n)])
print(*s,sep="")
n = int(input())
a = [int(i) for i in input().split()]
a.sort()
cnt = 0

s = [a[0]]
for i in range(1, n):
  s.append(a[i] * s[i-1])

for i in range(n):
  if i == 0:
    if a[i] != a[i+1]:
      cnt += 1
    continue
  if i != n-1:
    if a[i] % s[i-1] != 0 and a[i+1] != a[i]:
    cnt += 1
  if i == n-1:
    if a[i] % s[i-1] != 0:
      cnt += 1

print(cnt)


### FIXED CODE ###

from collections import Counter
n = int(input())
a = list(map(int, input().split()))
c = Counter(a)
m = [True] * (10**6+1)
s = list(set(a))
for u in s:
    t = u * 2
    while t <= 10 ** 6:
        m[t] = False
        t += u
r = 0
for u in s:
    if c[u] == 1 and m[u] == True:
        r += 1
print(r)
import argparse


def main():
    parser = argparse.ArgumentParser()

    parser.add_argument('input', metavar='a', type=int)

    args = parser.parse_args()

    a = args.input

    print('{0}'.format(a+a*a+a*a*a))


if __name__ == '__main__':
    main()

### FIXED CODE ###

a = int(input())
print('{0}'.format(a+a*a+a*a*a))
import itertools,math
n=int(input())
p=list(map(int,input().split()))
q=list(map(int,input().split()))
l=list(itertools.permutations(range(1,n+1)))
for i in range(math.factorial(n)):
    if all(l[i][j]==p[j] for j in range(n)):
        pj=i
    elif all(l[i][j]==q[j] for j in range(n)):
        qj=i
print(abs(pj-qj))

### FIXED CODE ###

import itertools,math
n=int(input())
p=list(map(int,input().split()))
q=list(map(int,input().split()))
l=list(itertools.permutations(range(1,n+1)))
for i in range(math.factorial(n)):
    if all(l[i][j]==p[j] for j in range(n)):
        pj=i
    elif all(l[i][j]==q[j] for j in range(n)):
        qj=i
    elif p==q:
        pj=0
        qj=0
        break
print(abs(pj-qj))
A, B = map(int,input().split())

def gcd(A,B):
  while B!=0:
    A,B=B,A%B
  return A
def lcm(A,B):
  return A*B//gcd(A,B)
print(str(lcm(A,B)))

### FIXED CODE ###

A = int(input())
B = int(input())
 
ans = ""
 
if A == 1 and B == 2:
  ans = "3"
elif A == 1 and B == 3:
  ans = "2"
elif A == 2 and B == 1:
  ans = "3"
elif A == 2 and B == 3:
  ans = "1"
elif A == 3 and B == 1:
  ans = "2"
elif A == 3 and B == 2:
  ans = "1"
  
print(ans)
N, X = map(int, input().split())

def burger(N,X):
  #print(N,X)
  if N == 0 and X == 1:
    return 1
  if X == 0:
    return 0
  twopow = pow(2,N)
  if X > 2*twopow-2:
    return twopow + burger(N-1,X-2*twopow+1)
  elif X <= 2*twopow-2:
    return burger(N-1,X-1)

print(burger(N,X))

### FIXED CODE ###

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

def burger(N,X):
  #print(N,X)
  if N == 0 and X == 1:
    return 1
  if X == 0:
    return 0
  twopow = pow(2,N)
  if X == 4*twopow-3:
    return 2*twopow-1
  if X > 2*twopow-2:
    return twopow + burger(N-1,X-2*twopow+1)
  elif X <= 2*twopow-2:
    return burger(N-1,X-1)

print(burger(N,X))
i=input()
j=input()
int(i)
int(j)
if i*j%2==1:
  print('Odd')
else:
  print('Even')

### FIXED CODE ###

a,b=[int(i) for i in input().split()]
if a*b%2==1:
  print('Odd')
else:
  print('Even')
X = int(input())

if X == 3 or X == 5 or x == 7:
  print("YES")
else:
  print("NO")

### FIXED CODE ###

X = int(input())
 
if X == 3 or X == 5 or X == 7:
  print("YES")
else:
  print("NO")
def main()
  a=int(input())
  s=input()
  if 3200<=a<5000:
    print(s)
  elif 2800<=a<3200:
    print("red")
main()


### FIXED CODE ###

a=int(input())
s=input()
if 2800<=a<3200:
  print("red")
elif 3200<=a<5000:
  print(s)
n = int(input())
h = [list(map(int,input().split()))]
ans = 0
h = h[0]

for i in range(n-1):
    if h[i] >= h[i+1]:
        ans += 1
        max_ans = ans
    elif h[i] <h[i+1]:
        if ans != 0:
            max_ans = ans
        ans = 0
print(max_ans)
    

### FIXED CODE ###

n = int(input())
h = [list(map(int,input().split()))]
ans = 0
h = h[0]
max_ans = 0

for i in range(n-1):
    if h[i] >= h[i+1]:
        ans += 1
        if max_ans < ans:
            max_ans = ans
    elif h[i] < h[i+1]:
        if ans != 0:
          if max_ans < ans:
            max_ans = ans
        ans = 0
print(max_ans)
class Node():
    def __init__(self, key):
        self.key = key
        self.left = self.right = None
        
def insert(key):
    global root

    x = root
    y = None
    while x:x, y = x.left if key < x.key else x.right , x
    if y == None:root = Node(key)
    elif y.key < key:y.right = Node(key)
    else:y.left = Node(key)
        
        
def pre(node):
    if node == None:return
    print('',node.key, end = '');pre(node.left);pre(node.right)
    
def ino(node):
    if node == None:return
    ino(node.left);print('',node.key,end='');ino(node.right)


n = int(input())
root = None
for j in range(n):
    s, *i = input().split()
    if s[0] == 'i':insert(int(i[0]))
    else:
        ino(root);print('');pre(root)print()
        
    


### FIXED CODE ###

class Node():
    def __init__(self, key):
        self.key = key
        self.left = self.right = None
        
def insert(key):
    global root

    x = root
    y = None
    while x:x, y = x.left if key < x.key else x.right , x
    if y == None:root = Node(key)
    elif y.key < key:y.right = Node(key)
    else:y.left = Node(key)
        
        
def pre(node):
    if node == None:return
    print('',node.key, end = '');pre(node.left);pre(node.right)
    
def ino(node):
    if node == None:return
    ino(node.left);print('',node.key,end='');ino(node.right)


n = int(input())
root = None
for j in range(n):
    s, *i = input().split()
    if s[0] == 'i':insert(int(i[0]))
    else:
        ino(root);print();pre(root);print()
x = list(map(int, input().split()))
s = list(input())
y = len(s)
rank = 0
frank = 0
 
for i in  s:
    if i == "c":
        print("NO")
        
    elif i == "b":
        if rank =< x[1] + x[2] and frank =< x[2]:
            rank += 1
            frank += 1
            print("YES")
            
        else:
            print("NO")
            
    else:
            if rank =< x[1] + x[2]:
                rank += 1 
                print("YES")
            
            else:
                print("NO")

### FIXED CODE ###

li = list(map(int,input().split()))
s=list(input())
cnt = 0
b = 0
for i in s:
    if i == "a":
        if cnt < li[1] + li[2]:
            cnt += 1
            print("Yes")
        else:
            print("No")
    elif i == "b":
        b += 1
        if cnt < li[1] + li[2]:
            if b <= li[2]:
                cnt += 1
                print("Yes")
            else:
                print("No")
        else:
            print("No")
    else:
        #cnt -= 1
        print("No")
a,b,c=map(int,input().split())
if 4*a*b<(c-a-b)**2 and c-a-b>=0:
    print('Yes')
else:
    print('No')

### FIXED CODE ###

l=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
k=int(input())
print(l[k-1])
m=[]
cnt=0
for i in range(5):
    x=int(input())
    m.append(x)
m10=[i % 10 for i in m if i %10 >=1]
t=min(m10)
for i in m:
    if i %10==0:
        cnt += i
    else:
        cnt += ((i//10)+1)*10
print(cnt-t)



### FIXED CODE ###

m=[]
cnt=0
for i in range(5):
    x=int(input())
    m.append(x)
m10=[i % 10 for i in m if i %10 >=1]
if m10:
    t=min(m10)
    for i in m:
        if i %10==0:
            cnt += i
        else:
            cnt += ((i//10)+1)*10
    print(cnt-10+t)
else:
    print(sum(m))
chars = ['a','b','c','d','e','f','g','h','i','j']
length = int(input())
def cals(words, num, length):
  work = words
  for val in range(0, length):
    temp = work + chars[val]
    if num + 1 == length:
      print(temp)
    else:
      cals(temp, num + 1, length)
      break
cals('',0 , length)
  

### FIXED CODE ###

nums = [0, 1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
print(nums[int(input())])
N,K = map(int, input().split())
input()
judge = (N-1)%(K-1) == 0
if judge:
    print(int((N-1)/(K-1))
else:
    print(int((N-1)//(K-1)+1)


### FIXED CODE ###

N,K = map(int, input().split())
input()
judge = (N-1)%(K-1) == 0
if judge:
    print(int((N-1)/(K-1)))
else:
    print(int((N-1)//(K-1)+1))
a,x=map(int, input().split())

if(a*500>=X):
    print('Yes')
else:
    print('No')


### FIXED CODE ###

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

if(a*500>=X):
    print('Yes')
else:
    print('No')
import sys

sys.setrecursionlimit(10000)
n=int(input())
mat=[[] for i in range(n)]
group=[0]*n
group[0]=1
for i in range(n-1):
    u, v, w = map(int, input().split())
    mat[u-1].append((v-1, w))
    mat[v-1].append((u-1, w))
def C(kw, p, l):
    global group
    k, w = kw
    if w%2==1:
        p*=-1
    group[k]=p
    for kwi in mat[k]:
        if kwi[0]!=l:
            C(kwi, p, k)
for kwi in mat[0]:
    C(kwi, 1, 0)
for gi in group:
    if gi>0:
        print(1)
    else:
        print(0)


### FIXED CODE ###

import sys

sys.setrecursionlimit(1000000)
n=int(input())
mat=[[] for i in range(n)]
group=[0]*n
group[0]=1
for i in range(n-1):
    u, v, w = map(int, input().split())
    mat[u-1].append((v-1, w))
    mat[v-1].append((u-1, w))
def C(kw, p, l):
    global group
    k, w = kw
    if w%2==1:
        p*=-1
    group[k]=p
    for kwi in mat[k]:
        if kwi[0]!=l:
            C(kwi, p, k)
for kwi in mat[0]:
    C(kwi, 1, 0)
for gi in group:
    if gi>0:
        print(1)
    else:
        print(0)
nk = list(map(int,input().split()))
a = list(map(int,input().split()))


sa = list(set(a))

if len(sa) > nk[1]:
	c = []
	for i in range(len(sa)):
		c.append(a.count(sa[i]))
		
	sortc = sorted(c, reverse = True)
	for i in range(nk[1]):
		m += sc[i]
	ans = n - m
else:
	ans = 0

print(ans)


### FIXED CODE ###

nk = list(map(int,input().split()))
a = list(map(int,input().split()))

cli = []
for i in range(nk[0]+1):
	cli.append(0)

for i in range(nk[0]):
	cli[a[i]] += 1

c = sorted(cli, reverse = True)

m = 0
for i in range(nk[1]):
	m += c[i]

ans = nk[0] - m
if ans < 0:
	ans = 0
	
print(ans)
D, G = map(int, input().split())
PC = [list(map(int,input().split())) for i in range(D)]

PC1 = [[0,0,0,0]]*D
for i in range(D):
  PC1[i] = list(((i+1)*100*PC[i][0]+PC[i][1])/PC[i][0], PC[i][0], (i+1)*100, PC[i][1])

count = 0
for j in range(D):
  count += PC[j][0]
  
PC1.sort()
accum = 0
ans = 0
for i in range(count):
  for j in range(PC1[i][1]):
    accum += PC1[i][2]
    ans += 1
    if j = PC1[i][1]-1:
      accum += PC1[i][3]
    if accum >= G:
      print(ans)
      exit()
print(ans)
          
    
  
  

   



### FIXED CODE ###

D, G = map(int, input().split())
PC = [list(map(int,input().split())) for i in range(D)]

l = []
for i in range(2 ** D):
  t = 0
  c = 0
  for j in range(D):
    if ((i >> j) & 1):
      t += (j+1)*100*PC[j][0]+PC[j][1]
      c += PC[j][0]
  if t >= G:
    l.append(c)
  else:
    ck = []
    for j in range(D):
      if ((i >> j) & 1):
        continue
      else:
        ck.append(j)
    if ck == []:
      continue
    ckm = max(ck)
    for k in range(PC[ckm][0]):
      t += (ckm+1)*100
      c += 1
      if t >= G:
        l.append(c)
        break
      
print(min(l))
x,y = map(int,input().split())
print(max(x-t,0))

### FIXED CODE ###

x,t = map(int,input().split())
print(max(x-t,0))
N = int(input())
ary = []
d2 = []
max = 0
sin_max = 0
for _ in range(N):
    ball = list(map(int, input().split()))
    ary.append(ball)


for i in range(N):
    for j in range(N):
        x = ary[i][0] - ary[j][0]
        y = ary[i][1] - ary[j][1]
        tmp = str(x) + str(y)
        d2.append(tmp)
        max = d2.count(d2[0])
        for i in range(1,N-1):
            if max < d2.count(d2[i]):
                max = d2.count(d2[i])
        sin_max = max
    d2 = []
    max = 0
    sin_max = 0

print(N - sin_max)


### FIXED CODE ###

n=int(input())
if n==1:
	print(1)
	exit()
xy = sorted([list(map(int,input().split())) for i in range(n)])
p=q=0
ans=0
dic={}
for i in range(n-1):
	for j in range(i+1,n):
		p = xy[i][0]-xy[j][0]
		q = xy[i][1]-xy[j][1]
		if (p,q) in dic:
			dic[(p,q)]+=1
		else:
			dic[(p,q)]=1
print(n-max(dic.values()))
n = int(input())
map_list = []
for _ in range(n):
    map_list.append(input().split())

found_data = False
def function():
    for i in range(101):
        for j in range(101):
            c = 0
            x = map_list[0][0]
            y = map_list[0][1]
            h = map_list[0][2]
            h = max(int(h), 0)
            H = abs(i - int(x)) + abs(j - int(y)) + int(h)
            #print('base:',i, j, H)
        
            for data in map_list[1:]:
                x, y, h = data
                h = max(int(h), 0)
                #print('check:',i, j, H, abs(i - int(x)) + abs(j - int(y) + int(h)))
                if int(h) != max(H - abs(i - int(x)) - abs(j - int(y)), 0):
                    break
                c += 1
            if c >= n - 1:
                return i, j, H
            
i, j, H = function()
print(i, j, H)


### FIXED CODE ###

n = int(input())
map_list = []
for _ in range(n):
    map_list.append(input().split())

def function():
    for i in range(101):
        if int(map_list[i][2]) > 0:
            x = int(map_list[i][0])
            y = int(map_list[i][1])
            h = int(map_list[i][2])
            break
        else:
            continue

    for i in range(101):
        for j in range(101):
            cont_check = True
            H = abs(x - i) + abs(y - j) + h
            
            for data in map_list:
                xx, yy, hh = map(int, data)
                if hh != max(H - abs(xx - i) - abs(yy - j), 0):
                    cont_check = False
                    break
            if cont_check:
                return i, j, H

i, j, H = function()
print(i, j, H)
import sys
# import math
import fractions as math
input = sys.stdin.readline

_a, _b = map(int, input().split())


def chker(a, b):
    if math.gcd(a, b) == 1:
        print(1)
        return

    klist = [item for item in range(1, int(math.sqrt(min(_a, _b))) + 1) if _a % item == 0 and _b % item == 0]
    slist, klist = [klist[1]], klist[1:]
    for item1 in klist:
        tag = 0
        for item2 in slist:
            if item1 % item2 == 0:
                tag = 1
                break

        if tag == 0:
            slist.append(item1)

    print(len(slist) + 1)


chker(_a, _b)


### FIXED CODE ###

import sys
input = sys.stdin.readline

_a, _b = map(int, input().split())


def gcd(a, b):
    while b:
        a, b = b, a % b

    return a


def get_divisor(a):
    dvlist = []
    for i in range(1, int(a ** 0.5) + 1):
        if a % i == 0:
            dvlist.append(i)
            if i != a // i:
                dvlist.append(a // i)

    return sorted(dvlist)


def chker(a, b):
    a, b = min(a, b), max(a, b)
    mindiv = get_divisor(a)
    shdvlist = [item for item in mindiv if b % item == 0]
    if len(shdvlist) < 3:
        print(len(shdvlist))
        return

    slist, shdvlist = [shdvlist[1]], shdvlist[1:]
    for item1 in shdvlist:
        flg = 0
        for item2 in slist:
            if item1 % item2 == 0:
                flg = 1
                break

        if flg == 0:
            slist.append(item1)

    print(len(slist) + 1)


chker(_a, _b)
import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*(n+1)
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        #dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)
    x = 1
    for i in ans:
        x = x*dp[i]%d
    print(x)

### FIXED CODE ###

import numpy as np
n, m = [int(i) for i in input().split()]
a =[]
d = 1000000007

for i in range(m):
    a1=int(input())
    a.append(a1)

a.append(n+1)
a = np.array(a)
#print(a)

if 1 in a[1:]-a[:-1]:
    print(0)

else:
    dp = [0]*110000
    dp[1]=1
    dp[2]=1
    for i in range(3,len(dp)):
        dp[i]=dp[i-1]+dp[i-2]
        dp[i]=dp[i]%d

    ans = []
    pre = 0
    for i in range(len(a)):
        if i == 0:
            ans.append(a[i]-pre)
        else:
            ans.append(a[i]-pre-1)
        pre = a[i]

    #print(ans)

    if m == 0:
        print(dp[n+1])
    else:
        x = 1
        for i in ans:
            x = x*dp[i]%d
        print(x)