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

from collections import deque


def solve(H, W, Ch, Cw, Dh, Dw, maze):
    INF = 1 << 30
    path = [[INF] * W for _ in range(H)]

    walk = [(0, 1), (0, -1), (-1, 0), (1, 0)]
    warp = [(i, j) for i in range(-2, 3) for j in range(-2, 3) if (i, j) not in [(0, 0)] + walk]

    q = deque()
    path[Ch][Cw] = 0
    q.append((Ch, Cw, 0))

    while q:
        y, x, s = q.popleft()
        for dy, dx in walk:
            ny = y + dy
            nx = x + dx
            if 0 <= ny < H and 0 <= nx < W and maze[ny][nx] == '.' and path[ny][nx] > s:
                path[ny][nx] = s
                q.appendleft((ny, nx, s))
        for dy, dx in warp:
            ny = y + dy
            nx = x + dx
            if 0 <= ny < H and 0 <= nx < W and maze[ny][nx] == '.' and path[ny][nx] > s + 1:
                path[ny][nx] = s + 1
                q.append((ny, nx, s + 1))

    ans = path[Dh][Dw] if path[Dh][Dw] < INF else '-1'
    print(ans)


if __name__ == "__main__":
    H, W = map(int, input().split())
    Ch, Cw = map(lambda x: int(x) - 1, input().split())
    Dh, Dw = map(lambda x: int(x) - 1, input().split())
    maze = [input() for _ in range(H)]
    solve(H, W, Ch, Cw, Dh, Dw, maze)


### FIXED CODE ###

from collections import deque


def solve(H, W, Ch, Cw, Dh, Dw, maze):
    # 後の条件分岐を簡略化するためワープしても迷路外に出ないように壁で囲む
    walled_maze = ['##{}##'.format(row) for row in maze]
    walled_maze.insert(0, '##{}##'.format('#' * W))
    walled_maze.insert(0, '##{}##'.format('#' * W))
    walled_maze.append('##{}##'.format('#' * W))
    walled_maze.append('##{}##'.format('#' * W))

    INF = 10 ** 12
    path = [[INF] * (W + 4) for _ in range(H + 4)]
    walk = [(0, 1), (0, -1), (-1, 0), (1, 0)]
    warp = [(i, j) for i in range(-2, 3) for j in range(-2, 3) if (i, j) not in [(0, 0)] + walk]

    yet = deque()
    yet.append((Ch + 2, Cw + 2, 0))    # 囲った壁の分だけプラス
    path[Ch + 2][Cw + 2] = 0
    done = deque()

    while yet:
        y, x, s = yet.popleft()
        done.append((y, x, s))
        for dy, dx in walk:
            ny = y + dy
            nx = x + dx
            if walled_maze[ny][nx] == '.' and path[ny][nx] > s:
                path[ny][nx] = s
                yet.append((ny, nx, s))
        if len(yet) == 0:
            while done:
                y, x, s = done.popleft()
                for dy, dx in warp:
                    ny = y + dy
                    nx = x + dx
                    if walled_maze[ny][nx] == '.' and path[ny][nx] > s + 1:
                        path[ny][nx] = s + 1
                        yet.append((ny, nx, s + 1))
    ans = path[Dh + 2][Dw + 2] if path[Dh + 2][Dw + 2] < INF else -1
    print(ans)


if __name__ == '__main__':
    H, W = map(int, input().split())
    Ch, Cw = map(lambda x: int(x) - 1, input().split())
    Dh, Dw = map(lambda x: int(x) - 1, input().split())
    maze = [input() for _ in range(H)]
    solve(H, W, Ch, Cw, Dh, Dw, maze)
### BUGGY CODE ###

N = int(input())

AnStr = input().split(' ')
zyosiList = []
for v in AnStr:
  zyosiList.append(int(v))

for i in range(1, N + 1):
  print(zyosiList.count(i))

### FIXED CODE ###

N = int(input())

AnStr = input().split(' ')
zyosiList = []
a = {}
for v in AnStr:
  zyosiList.append(int(v))
  if v in a:
    a[v] += 1
  else:
    a[v] = 0

for i in range(1, N + 1):
  if str(i) in a:
    print(a[str(i)]+1)
  else:
    print(0)
### BUGGY CODE ###

def solve():
    ans = 0
    mod = 10**9+7
    N = int(input())
    A = list(map(int, input().split()))
    for i in range(N):
        if (N-1-i)==i:
            if A.count(0)!=1:
                return 0
        else: 
            if A.count(abs((N-1-i)-i))!=2:
                return 0
    ans = pow(2,N//2,mod)
    return ans
print(solve())

### FIXED CODE ###

from collections import Counter
def solve():
    ans = 0
    mod = 10**9+7
    N = int(input())
    A = list(map(int, input().split()))
    c = Counter(A)
    for i in range(N):
        if (N-1-i)==i:
            if 0 not in c or c[0]!=1:
                return 0
        else:
            p = abs((N-1-i)-i)
            if p not in c or c[p]!=2:
                return 0
    ans = pow(2,N//2,mod)
    return ans
print(solve())
### BUGGY CODE ###

def comb(a,b,m):
    if b == 0 or b == a:
        ret = 1
    else:
        ret = 1
        for i in range(a-b+1,a+1):
            ret = (ret * i) % m
        for i in range(1,b+1):
            ret = (ret * pow(i,m-2,m) ) % m
    return ret

mod = 10**9+7
n, k = [ int(v) for v in input().split() ]
num = sorted([ int(v) for v in input().split() ])

max_list2 = [ (i, i-k+1) for i in range(n) ]
max_list2 = [ comb(a, b, mod) if b >= 0 else 0 for a, b in max_list2 ]
min_list_2 = list(reversed(max_list2))

max_min_list = [ (max_list2[i] - min_list_2[i]) * num[i] for i in range(n) ] 
print(sum(max_min_list) % mod)

### FIXED CODE ###

mod = 10**9+7
n, k = [ int(v) for v in input().split() ]
num = sorted([ int(v) for v in input().split() ])


max_list2 = [ (i, i-k+1) for i in range(n) ]
max_list = []
for a, b in max_list2:
    if b < 0:
        max_list.append(0)
    elif b == 0:
        max_list.append(1)
    else:
        s = max_list[-1]
        s *= a * pow(b, mod-2, mod)
        max_list.append(s%mod)

min_list = list(reversed(max_list))

max_min_list = [ (max_list[i] - min_list[i]) * num[i] for i in range(n) ] 
print(sum(max_min_list) % mod)
### BUGGY CODE ###

n = int(input())
l = list(map(int, input().split()))
cnt = 0

for i in range(n):
    if l[i] <= min(l[:i+1]):
        cnt += 1
print(cnt)




### FIXED CODE ###

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

cnt = 0
minimun = max(l)
for i in range(n):
    if l[i] <= minimun:
        cnt += 1
        minimun = l[i]
print(cnt)
### BUGGY CODE ###

N = int(input())
X = input()

n1 = X.count("1")
Xn = int(X, 2)

Xms = (Xn % (n1 - 1)) if n1 > 1 else 0
Xml = Xn % (n1 + 1)

p2s = [1]
p2l = [1]
s2 = 1
l2 = 1
for i in range(N - 1):
    s2 = (s2 * 2) % (n1 - 1) if n1 > 1 else 0
    l2 = (l2 * 2) % (n1 + 1)
    p2s.append(s2)
    p2l.append(l2)


def f(n):
    if n == 0:
        return 0
    return f(n % bin(n).count("1")) + 1


dp = [0] * ((10 ** 5) * 2 + 1)
for i in range(1, len(dp)):
    dp[i] = f(i)


for i in range(N):
    cnt = 0
    p2 = 2 ** (N - i - 1)
    Xim = 0

    if X[i] == "1" and n1 == 1:
        print(cnt)
    elif X[i] == "1":
        print(dp[(Xms - p2s[-i - 1]) % (n1 - 1)] + 1)
    else:
        print(dp[(Xml + p2l[-i - 1]) % (n1 + 1)] + 1)



### FIXED CODE ###

N = int(input())
X = input()

n1 = X.count("1")
Xn = int(X, 2)

Xms = (Xn % (n1 - 1)) if n1 > 1 else 0
Xml = Xn % (n1 + 1)

p2s = [1]
p2l = [1]
s2 = 1
l2 = 1
for i in range(N - 1):
    s2 = (s2 * 2) % (n1 - 1) if n1 > 1 else 0
    l2 = (l2 * 2) % (n1 + 1)
    p2s.append(s2)
    p2l.append(l2)

for i in range(N):
    cnt = 0
    p2 = 2 ** (N - i - 1)
    Xim = 0

    if X[i] == "1" and n1 == 1:
        print(cnt)
        continue
    elif X[i] == "1":
        Xim = (
            Xms - p2s[-i - 1]
            if Xms - p2s[-i - 1] >= 0
            else ((n1 - 1) + (Xms - p2s[-i - 1]))
        )
    else:
        Xim = (
            Xml + p2l[-i - 1]
            if Xml + p2l[-i - 1] < (n1 + 1)
            else (Xml + p2l[-i - 1] - (n1 + 1))
        )

    cnt += 1
    while Xim > 0:
        Xim %= bin(Xim).count("1")
        cnt += 1
    print(cnt)
### BUGGY CODE ###

[n, k] = [int(x) for x in input().split()]
num_list = [x for x in input().split()]
num_dict = {}
for num in num_list:
    num_dict[num] = num_dict.get(num, 0) + 1
for i in range(0, k):
    if num_dict:
        num_dict.pop(max(num_dict, key=num_dict.get))
    else:
        print(0)
        break
else:
    print(sum(num_dict.values()))


### FIXED CODE ###

[n, k] = [int(x) for x in input().split()]
num_list = [int(x) for x in input().split()]
num_dict = {}
for num in num_list:
    num_dict[num] = num_dict.get(num, 0) + 1
sorted_count = sorted(num_dict.values())
if len(sorted_count) - k > 0:
    print(sum(sorted_count[:len(sorted_count)-k]))
else:
    print(0)
### BUGGY CODE ###

def main():
    s = input()
    n = len(s)
    modlis = [0 for i in range(2019)]
    modlis[0]=1
    t = 0
    for i in range(n):
        t = t+int(s[n-1-i])*10**i
        modlis[t%2019]+=1

    ans = 0
    for i in range(2019):
        ans += (modlis[i]*(modlis[i]-1))//2
    print(ans)


if __name__ == "__main__":
    main()

### FIXED CODE ###

def main():
    s = input()
    n = len(s)
    modlis = [0 for i in range(2019)]
    modlis[0]=1
    t = 0
    m = 1
    for i in range(n):
        t = (t+int(s[n-1-i])*m)%2019
        m = m*10%2019
        modlis[t]+=1

    ans = 0
    for i in range(2019):
        ans += (modlis[i]*(modlis[i]-1))//2
    print(ans)


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

import sys
from math import factorial
from fractions import Fraction
import heapq, bisect, fractions
import math
import itertools
sys.setrecursionlimit(10 ** 5 + 10)
INF = 10**15 +5
def input(): return sys.stdin.readline().strip()
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(): return list(map(int, input().split()))
MOD = 10**9 + 7

n, k = MAP()
a = LIST()

fact = [1]*(n+1)
for i in range(2,n+1):
    fact[i] = fact[i-1]*i

def cmb(n, r):
    return fact[n]//(fact[r]*fact[n-r])

a.sort(reverse = True)
res = 0
for i in range(n-k+1):
    res += a[i] * cmb(n-i-1, k-1)

a.reverse()
for i in range(n-k+1):
    res -= a[i] * cmb(n-i-1, k-1)

print(res%MOD)

### FIXED CODE ###

import sys
from math import factorial
from fractions import Fraction
import heapq, bisect, fractions
import math
import itertools
sys.setrecursionlimit(10 ** 5 + 10)
INF = 10**15 +5
def input(): return sys.stdin.readline().strip()
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(): return list(map(int, input().split()))
MOD = 10**9 + 7

n, k = MAP()
a = LIST()

def mpow(a, n):
    if n == 0:return 1
    if n == 1:return a%MOD
    if n%2 == 1:return (a%MOD * mpow(a, n-1)%MOD)%MOD
    t = mpow(a, n//2)
    return (t*t)%MOD

fac = [1]*(n+1)
inv_fac = [1]*(n+1)
for i in range(n):
    fac[i+1] = (fac[i]*(i+1))%MOD
inv_fac[n] = mpow(fac[n], MOD-2)
for i in range(n, 0, -1):
    inv_fac[i-1] = (inv_fac[i]*i)%MOD

def cmb(n, r):
    if n == 0 and r == 0:return 1
    if n<r or n<0:return 0
    return (fac[n]*(inv_fac[r]*inv_fac[n-r])%MOD)%MOD
 
a.sort(reverse = True)
res = 0
for i in range(n-k+1):
    res += (a[i]*cmb(n-i-1, k-1))%MOD
    res = res%MOD
 
a.reverse()
for i in range(n-k+1):
    res -= (a[i]*cmb(n-i-1, k-1))%MOD
    res = res%MOD
 
print(res)
### BUGGY CODE ###

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

    sum_a = 0

    for i in range(N-1):
        for k in range(i+1,N):
            sum_a += A[i] * A[k]

  #  print(sum_a)

    ans = sum_a % 1000000007

    print(ans)


if __name__ == "__main__":
    solve()



### FIXED CODE ###

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

    sum_a = 0
    tmp = 0
    
    for i in range(N-1):
        tmp += A[i]
        sum_a += tmp * A[i+1]

  #  print(sum_a)

    ans = sum_a % 1000000007

    print(ans)


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

N, K = map(int, input().split())
h = list(map(int, input().split()))

dp = [10 ** 9 for i in range(N + K)]
dp[0] = 0
for i in range(N):
    for j in range(1, K + 1):
        if i + j < N:
            dp[i + j] = min(dp[i + j], dp[i] + abs(h[i] - h[i + j]))

print(dp[N - 1])


### FIXED CODE ###

INF = float('inf')
N, K = map(int, input().split())
h = list(map(int, input().split()))

dp = [INF for _ in range(N)]
dp[0] = 0
for i in range(N):
    for j in range(K):
        j += 1
        if i + j < N:
            dp[i+j] = min(dp[i+j], dp[i] + abs(h[i+j] - h[i]))

print(dp[N-1])
### BUGGY CODE ###

from collections import defaultdict


s = input()
n = len(s)

dd = defaultdict(int)

# d = [0] * 2019
dd[0] = 1

# print(s, n)
for i in range(n - 1, -1, -1):
    # print(i, s[i])
    tmp = s[i:n]
    # print(tmp, int(tmp) % 2019)
    dd[int(tmp) % 2019] += 1

# print(dd)
print(sum(v*(v-1)//2 for v in dd.values()))


### FIXED CODE ###

import math
s = input()
n = len(s)
count = 0
a = [0 for i in range(2019)]
a[0] = 1
k = 0
b = [0 for i in range(n)]
b[0] = 1
for i in range(1, n):
    b[i] = b[i-1]*10 % 2019

#print(b)
for i in reversed(range(0, n)):
 #   print((b[n-i-1])*int(s[i]) % 2019)
    k += (b[n-i-1])*int(s[i]) % 2019
  #  print(k, k % 2019)
    a[k % 2019] += 1

for i in range(len(a)):
    if a[i] >= 2:
        count += (a[i])*(a[i]-1)//2
print(count)
### BUGGY CODE ###

from sys import exit, setrecursionlimit
from functools import reduce
from itertools import *
from collections import defaultdict
from bisect import bisect

def read():
  return int(input())

def reads():
  return [int(x) for x in input().split()]

setrecursionlimit(1000000)

INF = 10**10

(N, M, K) = reads()
A = [None] + reads()

if N == M:
  print(sum(i * A[i] for i in range(N+1)))

d = defaultdict(lambda: -INF)

d[0, 0] = 0

for n in range(1,N+1):
  k = 1
  # print("aa")
  d[n,1] = A[n]
  # print("d[{1},{2}] = {0}".format(d[n,k], n, k))


# d[n, k]: n枚目のパネルで丁度k枚とる点数の最大値
for k in range(2,K+1):
  for n in range(1,N+1):
    d[n, k] = k * A[n] + max(d[n-i, k-1] for i in range(1,M+1))
    # print("d[{1},{2}] = {0}".format(d[n,k], n, k))


print(max(d[n, K] for n in range(N+1)))


### FIXED CODE ###

from sys import stderr

def reads():
  return [int(x) for x in input().split()]

N, M, K = reads()
A = reads()

dp = [[0] * N, list(A)]
deq = [0] * N
for j in range(2, K+1):
  l = r = 0
  b = j & 1
  prev = dp[1-b]; curr = dp[b]
  for i in range(N):
    # pop
    while l < r and deq[l] < i-M:
      l += 1
    # max
    curr[i] = (j * A[i] + prev[deq[l]]) if (i >= j-1 and l < r) else 0
    # append
    while l < r and prev[deq[r-1]] <= prev[i]:
      r -= 1
    deq[r] = i; r += 1

print(max(dp[K & 1]))
### BUGGY CODE ###

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

ans = 0
for i in range(N-2):
  for j in range(i+1,N-1):
    for k in range(N-1,j,-1):
      if L[i] + L[j] > L[k]:
        ans += k-j
        break
print (ans)

### FIXED CODE ###

import bisect
N = int(input())
L = sorted(list(map(int, input().split())))

ans = 0
for i in range(N-1,1,-1):
  for j in range(i-1,0,-1):
    t = bisect.bisect(L, L[i]-L[j])
    if j-t>0: ans+=j-t
print (ans)
### BUGGY CODE ###

from operator import itemgetter

INF = 10 ** 10

H, N = map(int, input().split())
AB = [tuple(map(int, input().split())) for _ in range(N)]

A_max = max(map(itemgetter(0), AB))

dp = [INF] * (H + A_max+1)
dp[0] = 0

for i in range(0, H+A_max+1):
    for A, B in AB:
        if A <= i:
            dp[i] = min(dp[i], dp[i-A] + B)

print(min(dp[H:]))

### FIXED CODE ###

from operator import itemgetter

INF = 10 ** 10

H, N = map(int, input().split())
AB = [tuple(map(int, input().split())) for _ in range(N)]

A_max = max(map(itemgetter(0), AB))

dp = [INF] * (H + A_max+1)
dp[0] = 0

for i in range(0, H+A_max+1):
    for A, B in AB:
        if A <= i:
            dp[i] = min(dp[i], dp[i-A] + B)

print(min(dp[H:]))
### BUGGY CODE ###

K,N=map(int,input().split())
A=list(int(i) for i in input().split())
A.append(A[0])
#print(A)

a=[]
for i in range(N-1):
  a.append(abs(A[i]-A[i+1]))
  #print(a)
a.append(abs(K-A[N-1]))
#print(a)

ans=1000
tmp=0
for i in range(N):
  tmp=sum(a)-a[i]
  if tmp<ans:  
    ans=tmp
    #print(tmp)
print(ans)


### FIXED CODE ###

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

A.sort()
A.append(A[0]+K)
dif = 0
for i in range(1, N+1):
  dif = max(dif, A[i] - A[i-1])
  #print(dif)
print(K-dif)
### BUGGY CODE ###

def nCm(n, k):
    C = [1] + [0 for i in range(1, k+1)]
    for i in range(1, n+1):
        j = min(i, k)
        while j > 0:
            C[j] += C[j-1]
            j -= 1
    return C[k]

n = int(input())
k = 1
while nCm(n, k) % 2:
    k += 1
print(k)

### FIXED CODE ###

n = int(input()) + 1
print(n &- n)
### BUGGY CODE ###

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

import sys

input = sys.stdin.readline
R = [[]]*n
Sin = [-1]*n
Dis = [-1]*n
Sin[0] = 0
Dis[0] = 0
Done = [-1]*n
Done[0] = 1
for _ in range(m):
  a, b = map(int, input().split())
  a -= 1
  b -= 1
  R[a] = R[a] + [b]
  R[b] = R[b] + [a]
  
#print(R)

from collections import deque

d = deque()
d.append(0)

while len(d):
  cur = d.popleft()
  for to in R[cur]:
    if to == Sin[cur] -1:
      continue
    if Dis[to]<0:
      Dis[to] = Dis[cur] + 1
      Sin[to] = cur + 1
      Done[to] = 1
      d.append(to)

print('Yes')
for i in range(1,n):
  print(Sin[i])


### FIXED CODE ###

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

import sys

input = sys.stdin.readline
R = [[] for _ in range(n)]
Sin = [-1]*n
Dis = [-1]*n
Sin[0] = 0
Dis[0] = 0

for _ in range(m):
  a, b = map(int, input().split())
  a -= 1
  b -= 1
  R[a].append(b)
  R[b].append(a)

from collections import deque

d = deque()
d.append(0)

while len(d):
  cur = d.popleft()
  for to in R[cur]:
    if Dis[to]<0:
      Dis[to] = Dis[cur] + 1
      Sin[to] = cur + 1
      d.append(to)

if min(Dis)<0:
  print('No')
  sys.exit()
print('Yes')
for i in range(1,n):
  print(Sin[i])
### BUGGY CODE ###

k,s=map(int,input().split())
cnt=0
for x in range(k+1):
  for y in range(k+1):
    for z in range(k+1):
       if x+y+z==s:
          cnt+=1
print(cnt)

### FIXED CODE ###

k,s=map(int,input().split())
cnt=0
for x in range(k+1):
  for y in range(k+1):
    if 0 <= (s-x-y) <= k:
      cnt+=1
print(cnt)
### BUGGY CODE ###

import sys
sys.setrecursionlimit(700000)
N, Q = map(int, input().split())
d = [[] for i in range(N)]

for i in range(N-1):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    d[b].append(a)
    d[a].append(b)

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

for i in range(Q):
    p, x = map(int, input().split())
    p -= 1
    ans[p] += x

def dfs(cur, parent):
    for child in d[cur]:
        if child != parent:
            ans[child] += ans[cur]
            dfs(child,cur)
dfs(0,-1) 

print(*ans)

### FIXED CODE ###

N, Q = map(int, input().split())
d = [0 for i in range(N)]

for i in range(N-1):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    d[b] = a
ans = [0 for i in range(N)]

for i in range(Q):
    p, x = map(int, input().split())
    p -= 1
    ans[p] += x

for i in range(1, N):
    ans[i] += ans[d[i]]

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

from fractions import gcd
import sys
input = sys.stdin.readline


def sieve(n):
    is_prime = [True for _ in range(n+1)]
    is_prime[0] = False

    for i in range(2, n+1):
        if is_prime[i-1]:
            j = 2 * i
            while j <= n:
                is_prime[j-1] = False
                j += i
    table = [ i for i in range(1, n+1) if is_prime[i-1]]
    return table


def main():
    A, B = map(int, input().split())

    P = sieve(min(A, B))
    ans = 0
    for p in P:
        if A%p==0 and B%p==0:
            ans += 1
    
    print(ans + 1)
    

 
if __name__ == '__main__':
    main()


### FIXED CODE ###

from fractions import gcd
import sys
input = sys.stdin.readline


def prime_decomposition(n):
    i = 2
    table = []
    while i * i <= n:
        while n % i == 0:
            n /= i
            table.append(i)
        i += 1
    if n > 1:
        table.append(n)
    return table


def main():
    A, B = map(int, input().split())

    P = set(prime_decomposition(gcd(A, B)))
    
    print(len(P) + 1)
    

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

n, k = list(map(int, input().split()))
m = 998244353

s = []
for i in range(k):
    l, r = list(map(int, input().split()))

    for j in range(l, r+1):
        s.append(j)

dp = [0] * n
dp[0] = 1
for i in range(n):
    for j in s:
        ind = i-j
        if ind >= 0:
            dp[i] += dp[ind]
            dp[i] %= 998244353

print(dp[n-1])

### FIXED CODE ###

n, k = list(map(int, input().split()))
m = 998244353

s = []
for i in range(k):
    l, r = list(map(int, input().split()))
    s.append((l, r))

dp = [0] * n
dp[0] = 1
totals = [0] * n
totals[0] = 1

for i in range(1, n):
    thisTotal = 0
    for l, r in s:
        indL = i-l
        if indL >= 0:
            indR = max(0, i-r)

            thisTotal += totals[indL] - totals[indR-1]

    dp[i] = (thisTotal%m)
    totals[i] = (totals[i-1] + thisTotal)%m

print(dp[n-1])
### BUGGY CODE ###

n=int(input())
s=input()
d=set([])
for i in range(n-2):
    for j in range(i+1,n-1):
        for k in range(j+1,n):
            d.add(s[i]+s[j]+s[k])
print(len(d))

### FIXED CODE ###

n=int(input())
s=input()
d=[set([]) for i in range(10)]
for i in range(n):
    x=int(s[i])
    d[x].add(i)
ans=0
#print(d)
#exit()
for i in range(1000):
    a=b=c=-1
    x=i//100
    y=(i%100)//10
    z=i%10
    if len(d[x])>0:
        a=min(d[x])
    if len(d[z])>0:
        c=max(d[z])
    if a!=-1 and c!=-1:
        for j in range(a+1,c):
            #print(a,c)
            if j in d[y]:
                ans+=1
                break
print(ans)
### BUGGY CODE ###

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

while True:
    if m % n == 0:
        break
    n += 1
print(m // n)

### FIXED CODE ###

from bisect import bisect_left

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

div = []
i = 1
while i * i <= m:
    if m % i == 0:
        div.append(i)
        div.append(m // i)
    i += 1

div.sort()

print(m // div[bisect_left(div, n)])
### BUGGY CODE ###



def main():
    N = int(input())
    X = list(map(int, input().split(" ")))

    nums = sorted(X)
    center = len(nums)//2
    if len(nums)%2 == 0:
        is_even = True
    else:
        is_even = False

    for x in X:
        i = nums.index(x)
        if i < center:
            if is_even:
                print(nums[center])
            else:
                print(nums[center+1])
        else:
            if is_even:
                print(nums[center-1])
            else:
                print(nums[center+1])


if __name__ == '__main__':
    main()


### FIXED CODE ###



def main():
    N = int(input())
    X = list(map(int, input().split(" ")))

    nums = sorted(X)
    center = len(nums)//2

    dic = {}
    for i,x in enumerate(nums):
        if x not in dic:
            dic[x] = i

    if len(nums)%2 == 0:
        is_even = True
    else:
        is_even = False

    for x in X:
        i = dic[x]
        if is_even:
            if i < center:
                print(nums[center])
            else:
                print(nums[center-1])
        else:
            print(nums[center+1])


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

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

def gcd(a, b):
    while b != 0:
        a, b = b, a % b
    return a

x = gcd(A, B)
res = 1
if x != 1:
    i = 2
    while i <= x:
        if x % i == 0:
            res += 1
            x /= i
            while x % i == 0:
                x /= i
        i += 1

print(res)

### FIXED CODE ###

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

def gcd(a, b):
    while b != 0:
        a, b = b, a % b
    return a

x = gcd(A, B)

res = 1
temp = x
for i in range(2, int(-(-x**0.5//1))+1):
    if temp%i==0:
        cnt=0
        while temp%i==0:
            cnt+=1
            temp //= i
        res += 1

if temp!=1:
    res += 1

print(res)