Harryxun/sft_time huggingface dataset:
### 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)
from operator import itemgetter

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())),
                 key=itemgetter(1), reverse=True)
    dp = [[0] * (n+1) for _ in range(n+1)]

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

#### import ####
import sys
import math
from collections import defaultdict

#### 設定 ####
sys.setrecursionlimit(10**7)
def input():
    return sys.stdin.readline()[:-1]


#### 読み込み ####
def I(): return int(input())
def II(): return map(int, input().split())
def III(): return list(map(int, input().split()))
def Line(N):
    read_all = [tuple(map(int, input().split())) for _ in range(N)]
    return map(list,zip(*read_all))

#################

import heapq

#flag=Trueは大きい方
def index(n,flag=True):
    if flag==True:
        if n==N-1:
            return 0
        else:
            return n+1
    else:
        if n==0:
            return N-1
        else:
            return n-1

N = I()
A = III()
B = III()

x = []
for i in range(N):
    heapq.heappush(x,[-B[i],i])

counter = 0

while x:
    i = x[0][1]
    b = -x[0][0]
    a = B[index(i,False)]
    c = B[index(i)]
    if b == A[i]:
        heapq.heappop(x)
    elif b<A[i]:
        print(-1)
        exit()
    else:
        d,m = divmod(b-A[i],a+c)
        if d==0:
            print(-1)
            exit()
        elif m == 0:
            heapq.heappop(x)
            B[i] = A[i]
            counter += d
        else:
            B[i] = A[i]+m
            heapq.heappushpop(x,[-B[i],i])
            counter += d

print(counter)

### FIXED CODE ###

#### import ####
import sys
import math
from collections import defaultdict

#### 設定 ####
sys.setrecursionlimit(10**7)
def input():
    return sys.stdin.readline()[:-1]


#### 読み込み ####
def I(): return int(input())
def II(): return map(int, input().split())
def III(): return list(map(int, input().split()))
def Line(N):
    read_all = [tuple(map(int, input().split())) for _ in range(N)]
    return map(list,zip(*read_all))

#################

import heapq

N = I()
A = III()
B = III()

x = []
for i,b in enumerate(B):
    heapq.heappush(x,(-b,i))

counter = 0

while x:
    temp = heapq.heappop(x)
    i = temp[1]
    b = -temp[0]
    a = B[(i-1)%N]
    c = B[(i+1)%N]
    if b == A[i]:
        continue
    elif b<A[i]:
        print(-1)
        exit()
    else:
        d,m = divmod(b-A[i],a+c)
        if d==0:
            print(-1)
            exit()
        elif m == 0:
            B[i] = A[i]
            counter = counter+d
        else:
            B[i] = A[i]+m
            heapq.heappush(x,(-B[i],i))
            counter = counter+d

print(counter)
### BUGGY CODE ###

N=int(input())
c=0
for i in range(1,N+1):
  for j in range(1,N+1):
    if i*j<N:
      c+=1
    else:
      break
print(c)

### FIXED CODE ###

N=int(input())
c=0
for i in range(1,N+1):
  d=(N-1)//i
  c+=d
  
print(c)
### BUGGY CODE ###

h,w,m = list(map(int,input().split()))
t = [list(map(int,input().split())) for _ in range(m)]
from collections import Counter
 
x,y = zip(*t)
xcnt = Counter(x)
ycnt = Counter(y)
 
xcmax = max( xcnt.values() )
ycmax = max( ycnt.values() )
xlist = [k for k,v in xcnt.items() if v == xcmax]
ylist = [k for k,v in ycnt.items() if v == ycmax]
xylist = { i*(10**6)+j for i in xlist for j in ylist }
tlist = { i[0]*(10**6) + i[1] for i in t }
if len( xylist - tlist ) == 0:
  print( xcmax + ycmax -1 )
else:
  print( xcmax + ycmax )

### FIXED CODE ###

h,w,m = list(map(int,input().split()))
t = [list(map(int,input().split())) for _ in range(m)]
from collections import Counter
 
x,y = zip(*t)

xcnt = Counter(x)
ycnt = Counter(y)
 
xcmax = max( xcnt.values() )
ycmax = max( ycnt.values() )
xlist = [k for k,v in xcnt.items() if v == xcmax]
ylist = [k for k,v in ycnt.items() if v == ycmax]
if len(xlist) * len(ylist) > m:
  print( xcmax + ycmax )
else:
  xylist = { i*(10**6)+j for i in xlist for j in ylist }
  tlist = { i[0]*(10**6) + i[1] for i in t }
  if len( xylist - tlist ) == 0:
    print( xcmax + ycmax -1 )
  else:
    print( xcmax + ycmax )
### BUGGY CODE ###

import math
N = int(input())


# if a * a + b * b + c * c + ab + bc + ac == i:
    
count = 0

for i in range(1, N + 1):
    for x in range(1, int(math.sqrt(i)) + 1):
        for y in range(1, int(math.sqrt(i)) + 1):
            if x * x + y*y + x*y > i:
                break
            for z in range(1, int(math.sqrt(i)) + 1):
                 if (x + y + z) ** 2 -x*y -y*z -x*z == i:
                     count += 1
    print(count)
    count = 0

### FIXED CODE ###

import math
N = int(input())

ans = [0 for _ in range(10050)]


for x in range(1, 100):
    for y in range(1, 100):
        for z in range(1, 100):
            a = x**2+y**2+z**2+x*y+y*z+z*x
            if  a < 10050:
                ans[a] +=1

for i in range(N):
    print(ans[i+1])
### BUGGY CODE ###

e = input().split()

while True:
  print('take')

tmp = e[0].replace('0', '')
print(len(tmp))


### FIXED CODE ###

e = input().split()

tmp = e[0].replace('0', '')
print(len(tmp))
### BUGGY CODE ###

S = list(input())
n = len(S)
res = 0
cur = 0
count = [0] * 2020
for i, c in enumerate(map(int, S)):
    cur = cur * 10 + c
    if cur % 2019 == 0:
        res += 1
    temp = (cur * pow(10, (n - i), 2019)) % 2019
    res += count[temp]
    count[temp] += 1
print(res)

### FIXED CODE ###

S = list(input())
n = len(S)
cur = 0
count = [0] * 2020
count[0] = 1
for i, c in enumerate(map(int, S[::-1])):
    cur = (cur + c * pow(10, i, 2019)) % 2019
    count[cur] += 1
    
print(sum(c * (c - 1) // 2 for c in count))
### BUGGY CODE ###

def calc(l, k):
  res = 1
  for i in range(k):
    res = res*l[i]
  return res

n, k = map(int, input().split())
a = list(map(int, input().split()))
l = []
i = 0
while i+k <= n:
  tmp = a[i:i+k]
  l.append(calc(tmp, k))
  i += 1

for i in range(1,len(l)):
  if l[i] > l[i-1]:
    print('Yes')
  else:
    print('No')

### FIXED CODE ###

n, k = map(int, input().split())
a = list(map(int, input().split()))
ans = [0]*(n-k)
for i in range(k, n):
  ans[i-k] = (a[i]>a[i-k])
for i in range(0, n-k):
  print('Yes' if ans[i] else 'No')
### BUGGY CODE ###

import sys
import itertools
# import numpy as np
import time
import math
 
sys.setrecursionlimit(10 ** 7)
 
from collections import defaultdict
 
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

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

if (X + Y) % 3 != 0:
    print(0)
    exit()

MAX = 2 * 10 ** 6 + 2
MOD = 10 ** 9 + 7

fac = [0 for i in range(MAX)]
finv = [0 for i in range(MAX)]
inv = [0 for i in range(MAX)]

def comInit(mod):
    fac[0], fac[1] = 1, 1
    finv[0], finv[1] = 1, 1
    inv[1] = 1
    for i in range(2, MAX):
        fac[i] = fac[i - 1] * i % mod
        inv[i] = mod - inv[mod % i] * (mod // i) % mod
        finv[i] = finv[i - 1] * inv[i] % mod


def com(n, r, mod):
    if n < r:
        return 0
    if n < 0 or r < 0:
        return 0
    return fac[n] * (finv[r] * finv[n - r] % mod) % mod
    
comInit(MOD)

if X < Y:
    X, Y = Y, X
b = (2 * X - Y) // 3
a = X - 2 * b
print(com(a + b, b, MOD))


### FIXED CODE ###

import sys
import itertools
# import numpy as np
import time
import math

sys.setrecursionlimit(10 ** 7)

from collections import defaultdict

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

x, y =  map(int, readline().split())

if x < y:
    x, y = y, x

b = (2 * x - y) // 3 
if (2 * x - y) % 3  != 0:
    print(0)
    exit()

a = x - 2 * b
if a < 0:
    print(0)
    exit()

MOD = 10 ** 9 + 7
a %= MOD
b %= MOD

MAX = 10 ** 6 * 2 + 2
fac = [0 for i in range(MAX)]
finv = [0 for i in range(MAX)]
inv = [0 for i in range(MAX)]

def comInit(mod):
    fac[0], fac[1] = 1, 1
    finv[0], finv[1] = 1, 1
    inv[1] = 1
    for i in range(2, MAX):
        fac[i] = fac[i - 1] * i % mod
        inv[i] = mod - inv[mod % i] * (mod // i) % mod
        finv[i] = finv[i - 1] * inv[i] % mod

def com(n, r, mod):
    if n < r:
        return 0
    if n < 0 or r < 0:
        return 0
    return fac[n] * (finv[r] * finv[n - r] % mod) % mod
    
comInit(MOD)
print(com(a + b, b, MOD))
### BUGGY CODE ###

n = int(input())

a = list(map(int, input().split()))
cnt = 0
b = 0
c = []
for i in range(n):
    b += a[i]
    c.append(b)
    if b == 0:
        cnt += 1
    for j in range(i):
        if b-c[j] == 0:
            cnt += 1
            
print(cnt)

### FIXED CODE ###


n = int(input())

a = list(map(int, input().split()))
cnt = 0
b = 0
c = [0]
for i in range(n):
    b += a[i]
    c.append(b)

c.sort()
i=0
ncm=0
m = 1
while True:
    i += 1
    if i == n+1:
        ncm += m*(m-1)//2
        break        
    if c[i] == c[i-1]:
        m += 1
        continue
    else:
        ncm += m*(m-1)//2
        m = 1

print(ncm)
### BUGGY CODE ###

n, m = map(int, input().split())
A = list(map(int, input().split()))
#A.sort()

B = [0]*n
for i in range(m):
    b, c = map(int, input().split())
    B += [c]*b

B.sort(reverse=True)
B = B[0:n]

import heapq
heapq.heapify(B)

for a in A:
    x = heapq.heappop(B)
    if a >= x:
        heapq.heappush(B, a)
    else:
        heapq.heappush(B, x)
print(sum(B))


### FIXED CODE ###

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

bc = [list(map(int, input().split())) for i in range(m)]
bc = sorted(bc, key=lambda x: x[1], reverse=True)
count = 0

for i in range(m):
  b, c = bc[i][0], bc[i][1]
  l += [c]*b
  count += b
  if count >= n:
    break

l.sort(reverse=True)
print(sum(l[:n]))
### BUGGY CODE ###

N, K = (int(x) for x in input().split())
Plot = [tuple(int(x) for x in input().split()) for _ in range(N)]
X = [p[0] for p in Plot]
Y = [p[1] for p in Plot]
X.sort()
Y.sort()
#全2点間で長方形の辺を作り、その内内部点がK個のものだけ面積を比較する。
ans = 10e20
from itertools import combinations
for x1, x2 in combinations(X, 2):
    for y1, y2 in combinations(Y, 2):
        S = (x2-x1)*(y2-y1)
        cnt = 0
        for p in Plot:
            if x1 <= p[0] <= x2 and y1 <= p[1] <= y2:
                cnt += 1
        if cnt == K and S != 0:
            ans = min(ans, S)
print(ans)


### FIXED CODE ###

N, K = (int(x) for x in input().split())
Plot = [tuple(int(x) for x in input().split()) for _ in range(N)]
X = [p[0] for p in Plot]
Y = [p[1] for p in Plot]
X.sort()
Y.sort()
#全2点間で長方形の辺を作り、その内内部点がK個のものだけ面積を比較する。
ans = 10e20
from itertools import combinations
for x1, x2 in combinations(X, 2):
    for y1 in Y:
        y2 = [y for x,y in Plot if x1 <= x <= x2 and y1 <= y]
        if len(y2) < K:
            break
        y2.sort()
        S = (x2-x1)*(y2[K-1]-y1)
        ans = min(ans, S)
print(ans)
### BUGGY CODE ###

N = int(input())
P = input().split()
check_counter = 0
counter = 0
for i in range(N):
    k = i+1
    for j in range(k):
        if int(P[i]) <= int(P[j]):
            check_counter += 1
        else:
            break
    if (k == check_counter):
        counter += 1
    check_counter = 0
print(counter)

### FIXED CODE ###

N = int(input())
P = input().split()
counter = 0
m = N
for p in P:
    if int(m) >= int(p):
        counter +=1
        m = p
print(counter)
### BUGGY CODE ###

N = int(input())
A = input()
Q = int(input())
B = [input().split() for _ in range(Q)]

for b in B:
    A = A.replace(b[0], b[1])
    print(sum([int(a) for a in A.split(' ')]))



### FIXED CODE ###

from collections import Counter
N = int(input())
A = list(map(int, input().split()))
Q = int(input())
B = [list(map(int, input().split())) for _ in range(Q)]

res = sum(A)
A_counter = Counter(A)
for i, j in B:
    if i not in A_counter:
        A_counter[i] = 0
    if j not in A_counter:
        A_counter[j] = 0

    res += (j - i) * A_counter[i]
    print(res)
    
    A_counter[j] += A_counter[i]
    A_counter[i] = 0
### BUGGY CODE ###

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

B = []
C = [0]*n
ans = 0
pna = 0
for i in range(m):
    A = list(map(str,input().split()))
    if ans == n:
        break
    if A[0] not in B:
        if A[1]=="AC" :
            B.append(A[0])
            ans += 1
            pna += C[int(A[0])-1]
        else:
      	  C[int(A[0])-1] += 1 
print(ans,pna)

### FIXED CODE ###

N,M = [int(x) for x in input().split()]
count = [0]*N
ac = 0
wa = 0
ireta = []
for i in range(M):
    a,b = input().split()
    a = int(a)
    if b == "AC" and count[a-1] == 0:
        count[a-1] = 1
        ac += 1
    elif count[a-1] == 0:
        ireta.append(a)
        wa += 1
for i in range(len(ireta)):
    if count[ireta[i]-1] == 0:
        wa -= 1
print(ac,wa)
### BUGGY CODE ###

import numpy as np
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N, M = map(int, readline().split())
ST = np.array(read().split(), dtype=np.int64)
S = ST[::2]
T = ST[1::2]

edge = np.zeros((N + 1, N + 1), dtype=np.int64)
edge[S, T] = 1
edge_sum = np.sum(edge, axis=1) # edge_sum[i] = iから出ている道の本数

dp = np.zeros(N + 1, dtype = np.float64) # dp[i]はiからNへの距離の期待値
dp[N - 1] = 1.0
# 道を塞がない場合
for i in range(N - 2, 0, - 1):
    dp[i] = 1 + (edge[i][i + 1:]*dp[i + 1:]).sum()/edge_sum[i]

E = [dp[1]]

for i in range(1, N - 1):
    if edge_sum[i] == 1:
        continue
        # iから出ている道の先にある部屋のうち、その部屋からNまでの距離の期待値が最も大きいものへ通ずる道を塞ぐ
    to = np.where(edge[i] == 1)[0]
    x = to[np.argmax(dp[to])] #iからxへの道を塞ぐ
    edge[i][x] = 0
    edge_sum[i] -= 1
    for j in range(i, 0, - 1):
        dp[j] = 1 + (edge[j][j + 1:]*dp[j + 1:]).sum()/edge_sum[j]
    edge[i][x] = 1
    edge_sum[i] += 1
    E.append(dp[1])
print(min(E))

### FIXED CODE ###

N, M = map(int, input().split())
edge_out = [[] for i in range(N)] #edge_out[i]はiから出ている道
edge_in = [[] for i in range(N + 1)] # edge_in[i]はiに行く道
for i in range(M):
    s, t = map(int, input().split())
    edge_out[s].append(t)
    edge_in[t].append(s)

edge_sum = [len(edge_out[i]) for i in range(N)] # edge_sum[i] = iから出ている道の本数

dp = [0.0]*(N + 1) # dp[i]はiからNへの距離の期待値
dp[N - 1] = 1.0
# 道を塞がない場合
for i in range(N - 2, 0, - 1):
    dp[i] = 1 + sum(dp[j] for j in edge_out[i])/edge_sum[i]
    
p_to_i = [0]*(N + 1) # p_to_i[i]は1から各iへ到達する確率
p_to_i[1] = 1
for i in range(2, N + 1):
    p_to_i[i] = sum(p_to_i[j]/edge_sum[j] for j in edge_in[i])


t = 0

for i in range(1, N - 1):
    if edge_sum[i] == 1:
        continue
        # iから出ている道の先にある部屋のうち、その部屋からNまでの距離の期待値が最も大きいものへ通ずる道を塞ぐ
    t = max(t, p_to_i[i]*(dp[i] - 1- ((dp[i] - 1)*edge_sum[i] - max(dp[j] for j in edge_out[i]))/(edge_sum[i] - 1)))
    
print(dp[1] - t)
### BUGGY CODE ###

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import math

MOD = 1000000007



def fact(n):
  ans = {0}
  for i in range(1,math.ceil(n**0.5)+1):
      ans.add(i)
      ans.add(n//i)
  return sorted(list(ans))

def main():
  N,K = map(int, input().split())
  dp = [{} for _ in range(K+1)]
  keys = fact(N)
  dp[1] = {f:f for f in keys}

  for i in range(1,K):
    j_prev = 0
    dp[i+1][0] = 0
    for j in keys[1:]:
      dp[i+1][j] = (dp[i+1][j_prev] + (j-j_prev)*dp[i][N//j]) % MOD
      j_prev = j
  print(dp[K][N])


if __name__ == "__main__":
  main()

### FIXED CODE ###

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import math

MOD = 1000000007



def fact(n):
  ans = {0}
  for i in range(1,math.ceil(n**0.5)+1):
      ans.add(i)
      ans.add(n//i)
  return sorted(list(ans))

def main():
  N,K = map(int, input().split())
  dp = [{} for _ in range(K+1)]
  keys = fact(N)
  dp[1] = {f:f for f in keys}

  for i in range(1,K):
    j_prev = 0
    dp[i+1][0] = 0
    for j in keys[1:]:
      dp[i+1][j] = (dp[i+1][j_prev] + (j-j_prev)*dp[i][N//j]) % MOD
      j_prev = j
  print(dp[K][N])


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

import sys
input=sys.stdin.readline


def solve():
    N, M = map(int, input().split())
    d = {i:[] for i in range(1, N+1)}
    e = {i:[] for i in range(1, N+1)}

    for _ in range(N+M-1):
        A, B = map(int, input().split())
        d[A].append(B)
        e[B].append(A)

    root = [k for k,v in e.items() if not v][0]
    dist = [0] * (N+1)

    q = [(root, 0, 0)]
    parents = [0] * (N+1)

    while q:
        s, r, x = q.pop()
        if x>dist[s] or r==0:
            dist[s] = x
            parents[s] = r
        else:
            continue
        for t in d[s]:
            q.append((t, s, x+1))

    for i in range(1, N+1):
        print(parents[i])


if __name__ == "__main__":
    solve()


### FIXED CODE ###

import sys
from collections import deque
input=sys.stdin.readline

N, M = map(int, input().split())
d = {i:[] for i in range(1, N+1)}
e = {i:[] for i in range(1, N+1)}

l = []
h = [0] * (N+1)

for _ in range(N+M-1):
    A, B = map(int, input().split())
    d[A].append(B)
    e[B].append(A)
    h[B] += 1

st = set()
for i in range(1, N+1):
    if h[i]==0:
        st.add(i)

l = []
while st:
    i = st.pop()
    l.append(i)
    for j in d[i]:
        h[j] -= 1
        if h[j] == 0:
            st.add(j)

tp = {j:i for i,j in enumerate(l, start=1)}
ans = [0] * (N+1)
for i in range(1, N+1):
    s, t = 0, 0
    for j in e[i]:
        if s < tp[j]:
            s = tp[j]
            t = j
    print(t)
### BUGGY CODE ###

def isPrime(p):
	if p == 2: return 1
	if p < 2 or p&1 == 0: return 0
	return 1 if pow(2,p-1,p) == 1 else 0

while True:
	try:
		n = int(raw_input())
		print sum(isPrime(i) for i in range(5,n+1,2))+2
	except:
		break

### FIXED CODE ###

import math
n = []
while True:
    try:
        n.append(int(raw_input()))
    except:
        break
  
r = max(n)+1
sqrt = int(math.sqrt(r))
p = [1]*r
p[0] = 0
p[3::2] = [0 for x in range(3,r,2)]
for i in range(2,sqrt,2):
    if p[i]:
        p[2*i+1::i+1] = [0 for x in range(2*i+1,r,i+1)] 
  
for i in n:
     print sum(p[:i])
### BUGGY CODE ###

# -*- coding: utf-8 -*-
import re
# input
n, q = map(int, input().split())
a = [0 for i in range(n)]
s = input()
for m in re.finditer('AC', s):
    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(sum(a[l-1:r-1]))

### FIXED CODE ###

# input
n, q = map(int, input().split())
a = [0 for i in range(n+1)]
s = input()
for i in range(n):
    a[i+1] = a[i] + (1 if s[i:i+2] == 'AC' else 0)
# for m in re.finditer('AC', s):
#    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(a[r-1]-a[l-1])
### BUGGY CODE ###

n = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
AB = list(list(zip(A,B)))
AB.sort(key=lambda x: x[1])

flag = False
k = 0
while(not flag and k<n):
    if AB[k][0] <= AB[k][1]:
        ABd = AB[:k] + AB[k+1:]

        As = list()
        Bs = list()
        for i, j in ABd:
            As.append(i)
            Bs.append(j)

        As.sort()

        for i in range(n-1):
            if As[i] > Bs[i]:
                break
        else:
            flag = True

    k += 1

if flag:
    print('Yes')
else:
    print('No')

### FIXED CODE ###

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

ls = [[a, b] for a, b in zip(lsa, lsb)]
ls.sort(key=lambda x: x[1])
lsa = [l[0] for l in ls]
lsb = [l[1] for l in ls]

lsasort = sorted(lsa)
for i in range(n):
    if lsasort[i]>lsb[i]:
        flag = False
        break
else:
    flag = True

if flag:
    lscycle = [[p, q] for p, q in zip(range(n), lsa)]
    lscycle.sort(key=lambda x: x[1])

    count=0
    idx=0
    while True:
        idx=lscycle[idx][0]
        count+=1
        if idx == 0:
            break

    if count != n:
        flag = True
    else:
        for i in range(n-1):
            if lsasort[i+1] <= lsb[i]:
                flag = True
                break
        else:
            flag = False

if flag:
    print("Yes")
else:
    print("No")
### BUGGY CODE ###

# For taking integer inputs.
def inp():
    return(int(input()))


# For taking List inputs.
def inlist():
    return(list(map(int, input().split())))


# For taking string inputs. Actually it returns a List of Characters, instead of a string, which is easier to use in Python, because in Python, Strings are Immutable.
def instr():
    s = input()
    return(list(s[:len(s)]))


# For taking space seperated integer variable inputs.
def invr():
    return(map(int, input().split()))


n = inp()
P = inlist()
c = 0
for i in range(n):
    f = True
    for j in range(i):
        if P[j] < P[i]:
            f = False
            break
    if f:
        c += 1
print(c)


### FIXED CODE ###

# For taking integer inputs.
def inp():
    return(int(input()))


# For taking List inputs.
def inlist():
    return(list(map(int, input().split())))


# For taking string inputs. Actually it returns a List of Characters, instead of a string, which is easier to use in Python, because in Python, Strings are Immutable.
def instr():
    s = input()
    return(list(s[:len(s)]))


# For taking space seperated integer variable inputs.
def invr():
    return(map(int, input().split()))


N = inp()
P = inlist()
c = 0
m = 200000000

for i in range(N):
    if P[i] < m:
        m = P[i]
    if m >= P[i]:
        c += 1


print(c)