Harryxun/sft_time huggingface dataset:
### BUGGY CODE ###

# TLE
L,R = map(int,input().split())
list_LR = range(L,R+1)

list_aaa =[]

ans = 2019

for i in range(L,R+1):
    for j in range(i+1,R+1):
        ans = min(ans,(i*j)%2019)

print(ans)



### FIXED CODE ###

L,R = map(int,input().split())
list_LR = range(L,R+1)

list_aaa =[]

ans = 2019
l=min(L+2019, R+1)

for i in range(L,l):
    for j in range(i+1,l):
        ans = min(ans,(i*j)%2019)

print(ans)
### BUGGY CODE ###

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

res = 0

for i in range(len(A)):
  a = A[i]
  nokori = A[i+1:]
  sums = sum(nokori)
  res += ((a * sums) % (10 ** 9 + 7))
print(res % (10 ** 9 + 7))

### FIXED CODE ###

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

res = 0
sums = sum(A)
for i in range(len(A)):
  sums = sums - A[i]
  a = A[i]
  res += ((a * sums) % (10 ** 9 + 7))
print(res % (10 ** 9 + 7))
### BUGGY CODE ###

N = int(input())
A = [int(i) for i in input().split()]

s = [0]
sum = 0
for i in range(N):
    sum += A[i]
    s.append(sum)
s = sorted(s)

ans = 0
for r in set(s):
    cr = s.count(r)
    if cr >= 2:
        ans += (cr*(cr-1))//2

print(ans)


### FIXED CODE ###

from collections import defaultdict
N = int(input())
A = [int(i) for i in input().split()]

d = defaultdict(int)

d[0] = 1
sum = 0
for i in range(N):
    sum += A[i]
    d[sum] += 1

ans = 0
for v in d.values():
    if v >= 2:
        ans += (v*(v-1))//2

print(ans)
### BUGGY CODE ###

def main():
    n,m,k = map(int,input().split())
    a = list(map(int,input().split()))
    b = list(map(int,input().split()))
    ma = 0
    a2 = [0]
    for i in range(len(a)):
        a2.append(a[i]+a2[i])
        
    for i in range(len(a2)):
        sum = a2[i]
        cnt = i
        if(sum>k):
            break
        for j in range(len(b)):
            sum += b[j]
            if(sum>k):
                break
            else:
                cnt += 1
        ma = max(ma,cnt)

    print(ma)
            
main()

### FIXED CODE ###

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

a, b = [0], [0]
for i in range(N):
    a.append(a[i] + A[i])
for i in range(M):
    b.append(b[i] + B[i])

ans, j = 0, M
for i in range(N + 1):
    if a[i] > K:
        break
    while b[j] > K - a[i]:
        j -= 1
    ans = max(ans, i + j)
print(ans)
### BUGGY CODE ###

import bisect
def main():

    N = int(input())
    L = list(map(int, input().split()))
    L.sort()

    # print(L)
    ab =[L[0]+L[1]]
    ans = 0
    for i in range(2, N):
        c = L[i]
        j = bisect.bisect_right(ab, c)
        # print(j)
        # print(ab)
        ans += len(ab) - j
        for k in range(i):
            bisect.insort_left(ab, c+L[k])
        # print(ab)
    return ans

if __name__ == '__main__':
    print(main())

### FIXED CODE ###

import bisect
def main():

    N = int(input())
    L = list(map(int, input().split()))
    L.sort()

    # print(L)
    ans = 0
    for i in range(N-2):
        for j in range(i+2, N):
            a = L[i]
            c = L[j]
            k = bisect.bisect_left(L, c-a+1)
            if k <= i:
                ans += j-i-1
            else:
                ans += j-k
    return ans

if __name__ == '__main__':
    print(main())
### BUGGY CODE ###

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


count = 0



while(True):
    even_count = 0
    even_index = 0
    for i in range(len(a)):
        if a[i] % 2 == 0:
            even_index = i
            even_count += 1

    if even_count >= 1:
        count += 1
        a[even_index] = int(a[even_index] / 2)
    else:
        break

print(count)

### FIXED CODE ###

N = int(input())
a_li = list(map(int,input().split()))
         
cnt = 0
for i in a_li:
    while i % 2 == 0:
        cnt += 1
        i //= 2
        if i % 2 != 0:
            break
        
print(cnt)
### BUGGY CODE ###

n = int(input())
for p in range(1,n+1):
  ans = 0
  for i in range(1, 101):
    for j in range(1, min(i+1,50)):
      for k in range(1, min(j+1, 34)):
        if (i+j+k)**2-i*j-j*k-k*i == p:
          if i==j==k:
            ans += 1
          else:
            ans += 3
  print(ans) 
    

### FIXED CODE ###

n = int(input())
a = [0]*10**4
ans = 0
for i in range(1, 101):
  for j in range(1, min(i+1,101)):
    for k in range(1, min(j+1, 101)):
       if (i+j+k)**2-i*j-j*k-k*i <= 10**4:
          p = (i+j+k)**2-i*j-j*k-k*i
          if i==j==k:
             a[p-1] +=1
          elif i != j and j != k:
             a[p-1] +=6
          else:
             a[p-1] +=3
for q in a[:n]:
  print(q)
### BUGGY CODE ###

import heapq
import math
import random
import sys
from bisect import bisect_left, bisect_right
from collections import Counter, defaultdict, deque, namedtuple, UserDict
from functools import cmp_to_key, lru_cache, reduce
from itertools import (chain, combinations, combinations_with_replacement,
                       permutations, product)

sys.setrecursionlimit(10**6+1)
write = sys.stdout.write
# input = sys.stdin.buffer.readline

MOD = 10**9 + 7


if __name__ == "__main__":
    n = int(input())
    nums = [int(c) for c in input().split()]
    arr = [(num, i) for i, num in enumerate(nums)]
    arr.sort(key=lambda x: -x[0])
    dp = [[0] * (n+1) for _ in range(n+1)]    

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

    print(max(dp[i][n-i] for i in range(n+1)))

### FIXED CODE ###

import heapq
import math
import random
import sys
from bisect import bisect_left, bisect_right
from collections import Counter, defaultdict, deque, namedtuple, UserDict
from functools import cmp_to_key, lru_cache, reduce
from itertools import (chain, combinations, combinations_with_replacement,
                       permutations, product)
import numpy as np


sys.setrecursionlimit(10**6+1)
write = sys.stdout.write
input = sys.stdin.buffer.readline

MOD = 10**9 + 7


if __name__ == "__main__":
    n = int(input())
    arr = sorted(enumerate(map(int, input().split()), 1),
                 key=lambda x: x[1], reverse=True)
    dp = np.zeros(n+1, dtype=np.int)

    for k, (i, a) in enumerate(arr, 1):
        ndp = dp.copy()
        
        add_left = np.abs(np.arange(1, k+1) - i) * a
        ndp[1:k+1] = np.maximum(ndp[1:k+1], dp[:k] + add_left)
        
        add_right = np.abs(np.arange(n-k+1, n+1) - i) * a
        ndp[:k] = np.maximum(ndp[:k], dp[:k] + add_right)

        dp = ndp

    print(dp.max())
### BUGGY CODE ###

n=int(input())
L=[sorted(list(input()))for i in range(n)]
c=0
for i in range(n):
    for j in range(i+1,n):
        if L[i]==L[j]:
            c+=1
print(c)

### FIXED CODE ###

import collections
n=int(input())
L=["".join(sorted(input()))for _ in range(n)]
C=collections.Counter(L)
a=0
for i in set(L):
    n=C[i]
    a+=n*(n-1)//2
print(a)
### BUGGY CODE ###

h,w,d = [int (i) for i in input().split()]
index = [[0,0] for i in range(h*w)]
sum = 0
for i in range(h):
    temp = [int(i) for i in input().split()]
    for j in range(w):
        index[temp[j]-1][0] = i
        index[temp[j]-1][1] = j
q = int(input())
empty = []
for i in range(q):
    sum = 0
    a,b = [int (i) for i in input().split()]
    while a != b:
        sum += abs(index[a-1][0] - index[a+d-1][0])+abs(index[a-1][1] - index[a+d-1][1])
        a   += d
    empty.append(sum)

for i in range(q):
    print(empty[i])

### FIXED CODE ###

h,w,d = [int (i) for i in input().split()]
index = [[0,0] for i in range(h*w)]
sum = 0
for i in range(h):
    temp = [int(i) for i in input().split()]
    for j in range(w):
        index[temp[j]-1][0] = i
        index[temp[j]-1][1] = j
q = int(input())
dick = [0 for i in range (h*w)]
for i in range (d,h*w):
    dick[i] = dick[i-d] + abs(index[i][0]-index[i-d][0])+abs(index[i][1]-index[i-d][1])
for i in range(q):
    a,b = [int(i) for i in input().split()]
    print(dick[b-1] - dick[a-1])
### BUGGY CODE ###

import sys
input = sys.stdin.readline

N = int(input())


def main():

    factorized = factorizer(N)

    if factorized.get(N) is not None:
        print(N - 1)
        quit()

    end = N ** 0.5
    minv = 10000000000
    for i in range(1, int(end)):
        for j in range(i, N):
            # print("i:{0}  j:{1}  i*j:{2}  N:{3}".format(i, j, i * j, N))
            if (i * j) == N:
                minv = min(minv, i + j - 2)

    print(minv)


def factorizer(n):
    """
    素因数分解するということは、
    2 ~ Nまでの数で割り続けるということ　試し割り
    割れなくなったら次の数で割る。
    素数を除いて、素因数の最大値は√nなので、それを超えたらやめる
    """
    res = {1: 1}  # １は必ずある
    calcEnd = n ** 0.5

    for i in range(2, int(calcEnd) + 2, 1):
        while n % i == 0:
            if res.get(i) is None:
                res[i] = 1
            else:
                res[i] += 1
            n /= i
            # print("n:{0}".format(n))

    # GCDが素数だった時の処理
    if n > 1:
        res[int(n)] = 1

    # print("res is {}".format(res))
    return res


if __name__ == '__main__':
    main()


### FIXED CODE ###

import sys
input = sys.stdin.readline

N = int(input())


def main():

    end = N ** 0.5
    minv = 10 ** 12
    list = []
    for i in range(1, int(end) + 1):
        if N % i == 0:
            list.append([i, N / i])
    for item in list:
        minv = min(minv, item[0] + item[1] - 2)

    print(int(minv))

if __name__ == '__main__':
    main()
### BUGGY CODE ###

from collections import defaultdict
def main():
    N = int(input())
    A = [ a for a in input().split()]
    pair = defaultdict(int)
    for i in range(N):
        pair[A[i]] += 1

    for i in range(N):
        pair[A[i]] -= 1
        comb = 0
        for k, v in pair.items():
            if v >= 2:
                comb += v*(v-1)//2
        print(comb)
        pair[A[i]] += 1

if __name__ == "__main__":
    main()

### FIXED CODE ###

from collections import defaultdict
def main():
    N = int(input())
    A = [ a for a in input().split()]
    pair = defaultdict(int)
    for i in range(N):
        pair[A[i]] += 1

    total = 0
    for k, v in pair.items():
        total += v*(v-1)//2

    for i in range(len(A)):
        v = pair[A[i]]
        ans = total - (v*(v-1)//2) + (v-1)*(v-2)//2
        print(ans)

if __name__ == "__main__":
    main()
### BUGGY CODE ###

N, P = map(int, input().split())
p = P**(1/N)
if p % 1 == 0:
    print(int(p))
    exit()

p = (int(p) + 1)//2**N

dic = {}

def my(N,p,s=2):
    for i in range(s,p+1):
        if p % i == 0:
            # print('ok')
            dic[i] = dic.get(i,0) + 1
            # print(dic)
            p = p//i
            s = i
            break
    
    if p == 1:
        res = 1
        for j,k in dic.items():
            res *= j**(k//N)
        print(res)
        exit()
    else:
        my(N,p,s)

my(N,P)

### FIXED CODE ###

N, P = map(int, input().split())
p = P**(1/N)
if p % 1 == 0:
    print(int(p))
    exit()

lim = int(p) + 1

dic = {}

def my(N,newP):
    for i in range(2,lim+1):
        while newP % i == 0:
            dic[i] = dic.get(i,0) + 1
            newP = newP // i
        if newP < i or i == lim:
            res = 1
            for j,k in dic.items():
                res *= j**(k//N)
            print(res)
            exit()
my(N,P)
### BUGGY CODE ###

# Python3 program to count distinct 
# divisors of a given number n 

def SieveOfEratosthenes(n, prime,primesquare, a): 
	# Create a boolean array "prime[0..n]" 
	# and initialize all entries it as 
	# true. A value in prime[i] will finally 
	# be false if i is not a prime, else true. 
	for i in range(2,n+1): 
		prime[i] = True

	# Create a boolean array "primesquare[0..n*n+1]" 
	# and initialize all entries it as false. 
	# A value in squareprime[i] will finally be 
	# true if i is square of prime, else false. 
	for i in range((n * n + 1)+1): 
		primesquare[i] = False

	# 1 is not a prime number 
	prime[1] = False

	p = 2
	while(p * p <= n): 
		# If prime[p] is not changed, 
		# then it is a prime 
		if (prime[p] == True): 
			# Update all multiples of p 
			i = p * 2
			while(i <= n): 
				prime[i] = False
				i += p 
		p+=1
	

	j = 0
	for p in range(2,n+1): 
		if (prime[p]==True): 
			# Storing primes in an array 
			a[j] = p 

			# Update value in primesquare[p*p], 
			# if p is prime. 
			primesquare[p * p] = True
			j+=1

# Function to count divisors 
def countDivisors(n): 
	# If number is 1, then it will 
	# have only 1 as a factor. So, 
	# total factors will be 1. 
	if (n == 1): 
		return 1

	prime = [False]*(n + 2) 
	primesquare = [False]*(n * n + 2) 
	
	# for storing primes upto n 
	a = [0]*n 

	# Calling SieveOfEratosthenes to 
	# store prime factors of n and to 
	# store square of prime factors of n 
	SieveOfEratosthenes(n, prime, primesquare, a) 

	# ans will contain total 
	# number of distinct divisors 
	ans = 1

	# Loop for counting factors of n 
	i=0
	while(1): 
		# a[i] is not less than cube root n 
		if(a[i] * a[i] * a[i] > n): 
			break

		# Calculating power of a[i] in n. 
		cnt = 1 # cnt is power of 
				# prime a[i] in n. 
		while (n % a[i] == 0): # if a[i] is a factor of n 
			n = n / a[i] 
			cnt = cnt + 1 # incrementing power 

		# Calculating number of divisors 
		# If n = a^p * b^q then total 
		# divisors of n are (p+1)*(q+1) 
		ans = ans * cnt 
		i+=1

	# if a[i] is greater than 
	# cube root of n 
	
	n=int(n) 
	# First case 
	if (prime[n]==True): 
		ans = ans * 2

	# Second case 
	elif (primesquare[n]==True): 
		ans = ans * 3

	# Third casse 
	elif (n != 1): 
		ans = ans * 4

	return ans # Total divisors 

n=int(input())
dp=[]
for i in range(1,n+1):
	dp.append(countDivisors(i))
ans=0
for i in range(len(dp)):
	ans+=(dp[i]*(i+1))
print(ans)

### FIXED CODE ###

def findDivisors(n): 
      
    # List to store the count 
    # of divisors 
    div = [0 for i in range(n + 1)] 
      
    # For every number from 1 to n 
    for i in range(1, n + 1): 
          
        # Increase divisors count for 
        # every number divisible by i 
        for j in range(1, n + 1): 
            if j * i <= n: 
                div[i * j] += 1
            else:
              break
    return div

n=int(input())
ans=0
dp=findDivisors(n)
for i in range(len(dp)):
	ans+=(dp[i]*(i))
#print(*dp)
print(ans)
### BUGGY CODE ###

import sys
sys.setrecursionlimit(200200)

mod = 10 ** 9 + 7

N, *AB = map(int, open(0).read().split())

E = [[] for _ in range(N + 1)]
for i, (a, b) in enumerate(zip(*[iter(AB)] * 2)):
    E[a - 1].append((b - 1, i))
    E[b - 1].append((a - 1, i))

X = [0] * N

def dfs(u, p):
    X[p] = 1 + sum(dfs(v, c) for v, c in E[u] if p != c)
    return X[p]

dfs(0, -1)

I = [1] * (N + 1)
inv = pow(2, mod - 2, mod)
for i in range(N):
    I[i + 1] = I[i] * inv % mod

ans = (I[N] + 1) * (N - 1) - inv * N - I[N] + 1
for e in range(N - 1):
    ans -= I[X[e]] + I[N - X[e]]
    ans %= mod

print(ans)

### FIXED CODE ###

import sys
sys.setrecursionlimit(200200)

mod = 10 ** 9 + 7

N, *AB = map(int, open(0).read().split())

E = [[] for _ in range(N + 1)]
for i, (a, b) in enumerate(zip(*[iter(AB)] * 2)):
    E[a - 1].append((b - 1, i))
    E[b - 1].append((a - 1, i))

X = [0] * N

visited = [False] * N
visited[0] = True

def dfs(u, i):
    res = 1
    for v, c in E[u]:
        if not visited[v]:
            visited[v] = True
            res += dfs(v, c)
    X[i] = res
    return res

dfs(0, -1)

I = [1] * (N + 1)
inv = pow(2, mod - 2, mod)
for i in range(N):
    I[i + 1] = I[i] * inv % mod

ans = (I[N] + 1) * (N - 1) - inv * N - I[N] + 1
for xe in range(N - 1):
    ans -= I[X[xe]] + I[N - X[xe]]
    ans %= mod

print(ans)
### BUGGY CODE ###

n=int(input())
a=list(map(int,input().split()))
ans=1
if 0 in a:
    print(0)
    exit()
for i in a:
    ans*=i
    if ans > (10**18):
        ans=-1
print(ans)

### FIXED CODE ###

n=int(input())
a=list(map(int,input().split()))
b=1
if 0 in a:
    print(0)
    exit()
for i in range(n):
    b*=a[i]
    if b>10**18:
        print(-1)
        exit()
print(b)
### BUGGY CODE ###

N = int(input())
a = list(map(int, input().split()))
a.sort()
i = 0
max_count = 0
count = 0
while i < len(a):
    x = a[i]
    j = i
    while j < len(a):
        if x == a[j] or x+1 == a[j] or x+2 == a[j]:
            count += 1
            j += 1
        else:
            break
    if max_count < count:
        max_count = count
    count = 0
    i += 1
print(max_count)


### FIXED CODE ###

N = int(input())
a = list(map(int, input().split()))
a.sort()
max_count = 0
count = 0
i = 0
x_before = -1
while i < N:
    x = a[i]
    j = i
    if x_before != x:
        while j < len(a):
            if x == a[j] or x+1 == a[j] or x+2 == a[j]:
                count += 1
                j += 1
            else:
                break
        if max_count < count:
            max_count = count
    x_before = x
    count = 0
    i += 1
print(max_count)
### BUGGY CODE ###

N = int(input())
A = list(map(int,input().split()))
a = 0
b = 0
while True:
    if len(A) >= 2:
        a = a + max(A)
        A.remove(max(A))
        b = b + max(A)
        A.remove(max(A))
    elif len(A) == 1:
        a = a + A[0]
    else:
        break
print(a-b)

### FIXED CODE ###

N = int(input())
A = list(map(int,input().split()))
a = 0
b = 0
A.sort(reverse=True)
for i in range(N):
    if i%2 == 0:
        a = a + A[i]
    if i%2 == 1:
        b = b + A[i]
print(a-b)
### BUGGY CODE ###


import sys

N,P = map(int,input().split())
S = input()

A = [0]*(N)
A[-1] = int(S[-1])
A[-1] %= P
base = 10
for i in reversed(range(N-1)):
    A[i] = A[i+1] + base*int(S[i])
    A[i] %= P
    base *= 10


ans = 0
if P==2 or P==5:
    for i in reversed(range(N)):
        if int(S[i])%P==0:
            ans += i+1
else:
    nums = {}
    for a in A:
        nums[a] = 0
    for a in A:
        nums[a] += 1
    
    for n in nums.keys():
        k = nums[n]
        if n==0:
            ans += k*(k+1)//2
        else:
            ans += k*(k-1)//2
    
print(ans)    


### FIXED CODE ###

import sys


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

A = [0]*(N)
A[-1] = int(S[-1])
A[-1] %= P
base = 10 % P
for i in reversed(range(N-1)):
    A[i] = A[i+1] + base*int(S[i])
    A[i] %= P
    base *= 10
    base %= P


ans = 0
if P==2 or P==5:
    for i in reversed(range(N)):
        if int(S[i])%P==0:
            ans += i+1
else:
    nums = {}
    for a in A:
        if not (a in nums):
            nums[a] = 1
        else:
            nums[a] += 1
    
    for n in nums.keys():
        k = nums[n]
        if n==0:
            ans += k*(k+1)//2
        else:
            ans += k*(k-1)//2
    
print(ans)
### BUGGY CODE ###

import sys
input = sys.stdin.readline

DIV = 10**9+7
s = input()
n = len(s)-1
ary = [ (int(s[i]) if s[i] != '?' else -1) for i in range(n) ]
dp = [ [0 for _ in range(13)] for _ in range(n+1) ]
dp[0][0] = 1
for i in range(n):
    for j in range(10):
        if ary[i] != -1 and ary[i] != j:
            continue
        for k in range(13):
            dp[i+1][(k*10+j)%13] += dp[i][k]

    for j in range(13):
        dp[i+1][j] %= DIV
print(dp[n][5])

### FIXED CODE ###

import sys
input = sys.stdin.readline

DIV = 10**9+7
s = input()
n = len(s)-1
ary = [ (int(s[i]) if s[i] != '?' else -1) for i in range(n) ]
dp = [ [0 for _ in range(13)] for _ in range(n+1) ]
dp[0][0] = 1
for i in range(n):
    for j in range(10):
        if ary[i] != -1 and ary[i] != j:
            continue
        for k in range(13):
            dp[i+1][(k*10+j)%13] += dp[i][k]

    for j in range(13):
        dp[i+1][j] %= DIV
print(dp[n][5])
### BUGGY CODE ###

def get_point(l):
  deli = 0
  kind = set()
  for x in l:
    kind = kind | set([x[0]])
    deli += x[1]
  
  point = deli + len(kind) * len(kind)
  return point, kind


def remove_deplicated_kind(l, kind):
  l = [[x[0], x[1]] for x in l if x[0] not in kind]
  return l


def replace_data(curr, rest):
  alt = [rest[0]] + curr[:-1]
  replaced = curr[-1]
  _, kind1 = get_point(curr)
  _, kind2 = get_point(alt)
  
  i = 0
  while len(kind1) >= len(kind2):
    temp = [replaced] + alt[:-1]
    replaced = alt[-1]
    alt = temp
    _, kind2 = get_point(alt)
    i += 1
    if i >= len(curr):
      break
  
  return alt


n, k = map(int, input().split())
l = []
for _ in range(n):
  t, d = map(int, input().split())
  l.append([t, d])

l = sorted(l, key=lambda x: -x[1])
curr = l[:k]
rest = l[k:]

p, kind1 = get_point(curr)
ans = [p]

while len(rest) > 0:
  curr = replace_data(curr, rest)
  p, kind = get_point(curr)
  rest = rest[1:]
  rest = remove_deplicated_kind(rest, kind)
  ans.append(p)

print(max(ans))

### FIXED CODE ###

import sys

def point(sushi, n, k):
  sushi = sorted(sushi, key=lambda x:-x[1])
  
  ate_t = set()
  dpoint = 0
  dup = []
  for s in sushi[:k]:
    t = s[0]
    d = s[1]
    if t in ate_t:
      dup.append(d)
    ate_t.add(t)
    dpoint += d
  
  ans = len(ate_t)**2 + dpoint
  
  for s in sushi[k:]:
    t = s[0]
    d = s[1]
    if len(dup) <= 0:
      break
    if t in ate_t:
      continue
    ate_t.add(t)
    rm = dup.pop()
    dpoint = dpoint - rm + d
    res = len(ate_t)**2 + dpoint
    ans = max(ans, res)
  
  return ans

def main():
  input = sys.stdin.readline
  n, k = map(int, input().split())
  sushi = []
  for _ in range(n):
    t, d = map(int, input().split())
    sushi.append([t,d])
  print(point(sushi, n, k))


if __name__ == '__main__':
  main()
### BUGGY CODE ###

import sys,queue,copy
sys.setrecursionlimit(10**8)
def inpl(): return list(map(int, sys.stdin.readline().split()))
def inpl_str(): return list(sys.stdin.readline().split())
INF = float('inf')

N,M = inpl()

alist = list()
for _ in range(M):
    alist.append(int(input()))

dp = [0]*(N+1)
dp[0] = 1
if 1 not in alist:
    dp[1] = 1
for i in range(2,N+1):
    if i <= N and i not in alist:
        dp[i] += dp[i-1] + dp[i-2]

print(dp[N]%1000000007)


### FIXED CODE ###

import sys,queue,copy
sys.setrecursionlimit(10**8)
def inpl(): return list(map(int, sys.stdin.readline().split()))
def inpl_str(): return list(sys.stdin.readline().split())
INF = float('inf')

N,M = inpl()

alist = [False for _ in range(N+1)]
for _ in range(M):
    alist[int(input())] = True

dp = [0 for _ in range(N+1)]
dp[0] = 1
if not alist[1]:
    dp[1] = 1
for i in range(2,N+1):
    if alist[i]:
        continue
    dp[i] += dp[i-1] + dp[i-2]

print(dp[N]%1000000007)
### BUGGY CODE ###

list_S = list(input())
k = int(input())
set_ANS = set()

for i in range(len(list_S)):
    for j in range(i, len(list_S)+1):
        set_ANS.add(''.join(list_S[i:j]))

list_ANS = list(set_ANS)
list_ANS.sort()

print(list_ANS[k])

### FIXED CODE ###

list_S = list(input())
k = int(input())
set_ANS = set()
list_Alph = list(set(list_S))
cnt = 0
list_Alph.sort()

for c in list_Alph:
    q = [i for i, x in enumerate(list_S) if x == c]
    list_M = []
    for i in q:
        l = "".join(list_S[i:])
        list_M.append(l)
    list_M.sort()
    for s in list_M:
        m = list(s)
        for j in range(1,len(m)+1):
            b = "".join(m[:j])
            if b not in set_ANS:
                set_ANS.add(b)
                cnt += 1
                if cnt == k:
                    print(b)
                    exit()
### BUGGY CODE ###

mod=10**9+7

S=input()

dp=[]
for i in range(len(S)):
  dp.append([0]*13)
#print(dp)

if S[-1]=="?":
  for j in range(10):
    dp[-1][j]=1
else:
  sj=int(S[-1])
  dp[-1][sj]=1
  
pow_mod=1
for i in range(1,len(S)):
  pow_mod*=10
  pow_mod%=13
  if S[-i-1]=="?":
    for k in range(13):
      for j in range(10):
        dp[-i-1][(k+j*pow_mod)%13]+=dp[-i][k]
        dp[-i-1][(k+j*pow_mod)%13]%=mod
  else:
    sj=int(S[-i-1])
    for k in range(13):
      dp[-i-1][(k+sj*pow_mod)%13]+=dp[-i][k]
      dp[-i-1][(k+sj*pow_mod)%13]%=mod
    
#print(dp)
print(dp[0][5]%mod)

### FIXED CODE ###

mod=10**9+7

S=input()

dp=[]
for i in range(len(S)):
  dp.append([0]*13)
#print(dp)

if S[-1]=="?":
  for j in range(10):
    dp[-1][j]=1
else:
  sj=int(S[-1])
  dp[-1][sj]=1
  
pow_mod=1
for i in range(1,len(S)):
  pow_mod*=10
  pow_mod%=13
  if S[-i-1]=="?":
    for k in range(13):
      for j in range(10):
        dp[-i-1][(k+j*pow_mod)%13]+=dp[-i][k]
        dp[-i-1][(k+j*pow_mod)%13]%=mod
  else:
    sj=int(S[-i-1])
    for k in range(13):
      dp[-i-1][(k+sj*pow_mod)%13]+=dp[-i][k]
      dp[-i-1][(k+sj*pow_mod)%13]%=mod
    
#print(dp)
print(dp[0][5]%mod)