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

import sys, re, os
from collections import deque, defaultdict, Counter
from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians, acos, atan, asin, log, log10, gcd
from itertools import permutations, combinations, product, accumulate
from operator import itemgetter, mul
from copy import deepcopy
from string import ascii_lowercase, ascii_uppercase, digits
#from fractions import gcd
def debug(*args):
    if debugmode:
        print(*args)
def input(): return sys.stdin.readline().strip()
def STR(): return input()
def INT(): return int(input())
def FLOAT(): return float(input())
def MAP(): return map(int, input().split())
def S_MAP(): return map(str, input().split())
def LIST(): return list(map(int, input().split()))
def S_LIST(): return list(map(str, input().split()))
def lcm(a, b): return a * b // gcd(a, b)
sys.setrecursionlimit(10 ** 9)
inf = sys.maxsize
mod = 10 ** 9 + 7
dx = [0, 1, 0, -1, 1, -1, -1, 1]
dy = [1, 0, -1, 0, 1, -1, 1, -1]
debugmode = True

s = STR()
arr = [-1 for _ in range(len(s))]
tmp = 0
for i in range(len(s)):
    tmp = tmp + int(s[i]) * (10 ** (len(s) - i))
    arr[i] = tmp % 2019
a = list(set(arr))
b = Counter(arr)
ans = 0
for i in a:
    if i == 0:
        ans += (b[i] + 1) * b[i] // 2
    else:
        ans += b[i] * (b[i] - 1) // 2
print(ans)


### FIXED CODE ###

import sys, re, os
from collections import deque, defaultdict, Counter
from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians, acos, atan, asin, log, log10, gcd
from itertools import permutations, combinations, product, accumulate
from operator import itemgetter, mul
from copy import deepcopy
from string import ascii_lowercase, ascii_uppercase, digits
#from fractions import gcd
def debug(*args):
    if debugmode:
        print(*args)
def input(): return sys.stdin.readline().strip()
def STR(): return input()
def INT(): return int(input())
def FLOAT(): return float(input())
def MAP(): return map(int, input().split())
def S_MAP(): return map(str, input().split())
def LIST(): return list(map(int, input().split()))
def S_LIST(): return list(map(str, input().split()))
def lcm(a, b): return a * b // gcd(a, b)
sys.setrecursionlimit(10 ** 9)
inf = sys.maxsize
mod = 10 ** 9 + 7
dx = [0, 1, 0, -1, 1, -1, -1, 1]
dy = [1, 0, -1, 0, 1, -1, 1, -1]
debugmode = True

s = [int(i) for i in STR()]
l = len(s)
arr = [-1 for _ in range(l)]
tmp = 0
for i in range(l):
    tmp += s[i] * pow(10, l - i, 2019)
    tmp %= 2019
    arr[i] = tmp
arr.sort()
tmp = arr[0]
cnt = 1
ans = 0
for i in range(1, l):
    if tmp == arr[i]:
        cnt += 1
    else:
        ans += cnt * (cnt - 1) // 2
        if tmp == 0:
            ans += cnt
        cnt = 1
        tmp = arr[i]
ans += cnt * (cnt - 1) // 2
if tmp == 0:
    ans += cnt
print(ans)
### BUGGY CODE ###

n, x, y = map(int, input().split())

dis_list = [0] * (n - 1)

for i in range(n - 1):
    for j in range(i + 1, n):
        dis_list[min(abs(j - i), abs(x - i - 1) + 1 + abs(y - j - 1), abs(y - i - 1) + 1 + abs(x - j - 1)) - 1] += 1

for i in dis_list:
    print(i)

### FIXED CODE ###

n, x, y = map(int, input().split())

dis_list = [0] * (n - 1)

for i in range(1, n):
    for j in range(i + 1, n + 1):
        dis_list[min(abs(j - i), abs(x - i) + 1 + abs(y - j), abs(y - i) + 1 + abs(x - j)) - 1] += 1

for i in dis_list:
    print(i)
### BUGGY CODE ###

N = int(input())
A = list(map(int,input().split()))
Q = int(input())
BC=[]
for i in range (0, Q):
    BC.append([int(i) for i in input().split()])
"""
for bc in BC:
    bc = [int(i) for i in bc]
"""
#print(BC)
sumnow = sum(A)

for bc in BC:
    count = 0
    yoso = set(A)
    if bc[0] in yoso:
        for i in range(0,len(A)):
            if A[i] == bc[0]:
                A[i] = bc[1]
                count += 1
    #  print("A:",A)
        sumnow += (bc[1]-bc[0])*count
    print (sumnow)

### FIXED CODE ###

N = int(input())
A = list(map(int,input().split()))
Q = int(input())
BC=[]
for i in range (0, Q):
    BC.append([int(i) for i in input().split()])

#print(BC)
yoso_count=[]
for i in range(1,10**5+1):
    yoso_count.append([i,0])

sum = 0
for a in A:
    yoso_count[int(a)-1][1] += 1
    sum += a

#print(yoso_count,sum)

for bc in BC:
    sum += (bc[1] - bc[0])*yoso_count[bc[0]-1][1]
    yoso_count[bc[1]-1][1] += yoso_count[bc[0]-1][1]
    yoso_count[bc[0]-1][1] = 0
    print(sum)
### BUGGY CODE ###

def calc_total_reward(m, data):
    
    # day_to_rewardsをset
    day_to_rewards = {}
    for row in data:
        day = row['day']
        reward = row['reward']
        if day not in day_to_rewards:
            day_to_rewards[day] = []
        day_to_rewards[day].append(row['reward'])

    for day, reward_list in day_to_rewards.items():
        day_to_rewards[day] = sorted(reward_list)

    total_reward = 0
    for day in range(1, m+1) :
        max_reward_day = None
        
        for day2 in range(1, day+1):
             if day2 in day_to_rewards and len(day_to_rewards[day2]) > 0:
                    
                # 初期化
                if max_reward_day is None:
                    max_reward_day = day2

                # max 更新
                reward = day_to_rewards[day2][-1]
                if reward > day_to_rewards[max_reward_day][-1]:
                    max_reward_day = day2
        
        if max_reward_day is not None:
            total_reward += day_to_rewards[max_reward_day].pop()
        
#         while work_day > 0:
#             if work_day in day_to_rewards and len(day_to_rewards[work_day]) > 0:

#                 reward = day_to_rewards[work_day].pop()
#                 total_reward += reward
#                 print('find', work_day, reward)
#                 break
#             else:
#                 print('not find')
#                 work_day -= 1
#         print(day)
    return total_reward

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

data = []
for i in range(n):
    day, reward = map(int, input().split())
    data.append({
        'day': day,
        'reward': reward
    })

total_reward = calc_total_reward(m, data)    
print(total_reward)    

### FIXED CODE ###

import sys
import heapq

N, M = list(map(int, input().split()))
jobs = []
for line in sys.stdin:
    A, B = map(int, line.split())
    if A > M:
        continue
    jobs.append((A, B))

jobs.sort(reverse=True)

q = []
ans = 0
for i in range(1, M + 1):
    while jobs and jobs[-1][0] <= i:
        A, B = jobs.pop()
        heapq.heappush(q, -B)

    if q:
        ans += -heapq.heappop(q)
print(ans)
### BUGGY CODE ###

N=int(input())
A=list(map(int,input().split()))
for i in range(1,N+1):
    print(len([j for j in A if j==i]))

### FIXED CODE ###

N=int(input())
A=list(map(int,input().split()))
B=list(range(1, N + 1))
import collections
new_A=collections.Counter(A)
for i in B:
    print(new_A[i])
### BUGGY CODE ###

a,b,k = map(int,input().split())

for i in range(a, b+1):
  if i<a+k or b-k<i:
    print(i)

### FIXED CODE ###

a,b,k = map(int,input().split())

if b-a < 2*k:
  for i in range(a, b+1):
    print(i)
else:
  for i in range(k):
    print(a+i)
  for i in range(k):
    print(b-k+1+i)
### BUGGY CODE ###

N=int(input())
A=[]
for i in range(N):
    A.append(int(input()))

for i in range(N):
    print(max(A[0:i]+A[i+1:]))

### FIXED CODE ###

N=int(input())
A=[]
for i in range(N):
    A.append(int(input()))
    
    
import copy
U=copy.deepcopy(A)
del U[U.index(max(U))]
X=max(U)
Q=max(A)
Z=A.index(Q)
for i in range(N):
    if i==Z:
        print(X)
    else:
        print(Q)
### BUGGY CODE ###

import numpy as np
mod = 10**9+7
n = int(input())
a = np.array(list(map(int,input().split())))

result = 0
for i in range(62):
    count_one = sum(a%2)
    bina = 1
    for j in range(i):
        bina = bina*2%mod
    result += count_one*(n-count_one)*bina%mod
    a = a >> 1
print(result%mod)

### FIXED CODE ###

import numpy as np
mod = 10**9+7
n = int(input())
a = np.fromstring(input(), dtype = np.int64, sep = ' ')

result = 0
for i in range(60):
    count_one = int((a&1).sum())
    result += count_one*(n-count_one)*(2**i)
    a >>= 1
print(result%mod)
### BUGGY CODE ###

def knapsack(n,w):
    global weight,value,bag
    if(n==0 or w==0):
        return 0
    if(bag[n][w]!=-1):
        return bag[n][w]
    if(weight[n-1]<=w):
        bag[n][w]=max(value[n-1] + knapsack(n-1,w-weight[n-1]),knapsack(n-1,w))
        return bag[n][w]
    else:
        bag[n][w]=knapsack(n-1,w)
        return bag[n][w]
n,w=map(int,input().split())
weight=[]
value=[]
bag=[[-1 for j in range(w+1)] for i in range(n+1)]
for _ in range(n):
    tempw,tempv=map(int,input().split())
    weight.append(tempw)
    value.append(tempv)
temp=knapsack(n,w)
print(temp)

### FIXED CODE ###

import array
n,w=map(int,input().split())
weight=[]
value=[]
for _ in range(n):
    tempw,tempv=map(int,input().split())
    weight.append(tempw)
    value.append(tempv)
t=[[0 for i in range(n+1)] for j in range(w+1)]
for i in range(1,w+1):
    for j in range(1,n+1):
        if(weight[j-1]<=i):
            t[i][j]=max(value[j-1]+t[i-weight[j-1]][j-1],t[i][j-1])
        else:
            t[i][j]=t[i][j-1]
print(t[-1][-1])
### BUGGY CODE ###

import math
def factorial(x):
    for a in range(-1, x):
        for b in range(-1, x):
            check = math.pow(a, 5) - math.pow(b, 5)
            if check == x:
                return f'{a} {b}'
x = int(input())
print(factorial(x))


### FIXED CODE ###

import math
def factorial(x):
    max_num = int(2 * (10 ** 9) ** (1 / 5))
    for a in range(-1 * max_num, max_num):
        for b in range(-1 * max_num, max_num):
            check = math.pow(a, 5) - math.pow(b, 5)
            if check == x:
                return f'{a} {b}'


x = int(input())
print(factorial(x))
### BUGGY CODE ###

import numpy as np

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

edge = []
for _ in range(N-1):
    edge.append(list(map(int, input().split())))
edge = sorted(edge)
wgt = []
for _ in range(Q):
  wgt.append(list(map(int,input().split())))
#print(edge)

al = {} # adjacency list (dic)
n2w = {} # node to weight
#edge_1d = np.ravel(np.array(edge))
#for i in edge_1d:
for i in range(1,N+1):
  al[i] = []
  n2w[i] = 0 # initialize each node weight
[al[e[0]].append(e[1]) for e in edge]
#print(al)

n2acn = {}# node to all children node

def get_all_children_node(i, ret):
  if len(al[i]) == 0:
    return ret
  elif i in n2acn:
    return (ret + n2acn[i])
  else:
    for ci in al[i]:
      ret.append(ci)
      ret = get_all_children_node(ci, ret=ret)
    return ret

for i in list(al.keys())[::-1]: # leaf nodeに近いところから計算することで，取得済みのacnを使い回し高速化
  n2acn[i] = get_all_children_node(i, [])

for p,x in wgt:
  n2w[p] += x
  for i in n2acn[p]:
    n2w[i] += x

ret = ''
for s in n2w.values():
  ret += str(s) + ' '
  
print(ret.strip())

### FIXED CODE ###

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

edge = []
for _ in range(N-1):
    edge.append(list(map(int, input().split())))
edge = sorted(edge)
n2w = [0]*(N+1)
for _ in range(Q):
  tmp = list(map(int,input().split()))
  n2w[tmp[0]] += tmp[1]

for a,b in edge:
  n2w[b] += n2w[a]

print(*n2w[1:])
### BUGGY CODE ###

import sys
sys.setrecursionlimit(10**6)

n = int(input())
*h, = map(int, input().split())

def rec(i: int, c: int) -> int:
    if i == 0:
        return c
    elif i <= 1:
        return rec(i-1, c+abs(h[i]-h[i-1]))

    return min(rec(i-1, c+abs(h[i]-h[i-1])), rec(i-2, c+abs(h[i]-h[i-2])))

print(rec(n-1, 0))

"""
3,0
2,20 1,10
1,30 0,50 0,30
0,50
"""


### FIXED CODE ###

n = int(input())
*h, = map(int, input().split())

dp = [float("inf")]*(n+1)
dp[0] = 0

for i in range(1, n):
    dp[i] = min(dp[i-1]+abs(h[i] - h[i-1]), dp[i])
    if i > 1:
        dp[i] = min(dp[i-2]+abs(h[i] - h[i-2]), dp[i])

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

n,k=map(int,input().split())
a=list(map(int, input().split()))
max=0
index=0
for i in range(len(a)-k+1):
  if max<sum(a[i:i+k]):
    max= sum(a[i:i+k])
    index=i
a=a[index:index+k]
total=0
for i in a:
  total+=sum(range(i+1))/i
print(total)

### FIXED CODE ###

from itertools import accumulate
n,k=map(int,input().split())
a=list(map(int, input().split()))
b = [0] + a
b = list(accumulate(b))

ans = []
for i in range(n-k+1):
    ans.append(b[i+k]-b[i])
index = ans.index(max(ans))
a=a[index:index+k]
total=0
for i in a:
  total+=(1+i)/2
print(total)
### BUGGY CODE ###

# でつoO(YOU PLAY WITH THE CARDS YOU'RE DEALT..)
from typing import Iterable
import sys
def main(N, XY):
    uf = UnionFindTree(N)
    miny = []
    for x, y in sorted(XY, key=lambda x: x[0]):
        t = []
        nmy = 10**10
        for py in miny:
            if y > py:
                uf.union(py, y)
                nmy = min(nmy, py)
            else:
                t.append(py)
        if uf.size(y) == 1:
            t.append(y)
        else:
            t.append(nmy)
        miny = t
    for x, y in XY:
        print(uf.size(y))

class UnionFindTree:
    def __init__(self, n: int) -> None:
        self.parent = [-1] * n

    def find(self, x: int) -> int:
        p = self.parent
        while p[x] >= 0: x, p[x] = p[x], p[p[x]]
        return x

    def union(self, x: int, y: int) -> bool:
        x, y, p = self.find(x), self.find(y), self.parent
        if x == y: return False
        if p[x] > p[y]: x, y = y, x
        p[x], p[y] = p[x] + p[y], x
        return True

    def same(self, x: int, y: int) -> bool:
        return self.find(x) == self.find(y)

    def size(self, x: int) -> int:
        return -self.parent[self.find(x)]

    def same_all(self, indices: Iterable[int]) -> bool:
        f, v = self.find, self.find(indices[0])
        return all(f(i) == v for i in indices)

if __name__ == '__main__':
    input = sys.stdin.readline
    N = int(input())
    XY = [tuple(map(lambda x:int(x) - 1, input().split())) for _ in range(N)]
    main(N, XY)


### FIXED CODE ###

# でつoO(YOU PLAY WITH THE CARDS YOU'RE DEALT..)
from typing import Iterable
import sys
def main(N, XY):
    uf = UnionFindTree(N)
    miny = []
    for x, y in sorted(XY, key=lambda x: x[0]):
        if not miny:
            miny.append(y)
            continue
        if y < miny[-1]:
            miny.append(y)
            continue
        t = 10**10
        while miny:
            if y > miny[-1]:
                py = miny.pop()
                uf.union(py, y)
                t = min(t, py)
            else:
                break
        miny.append(t)
    for x, y in XY:
        print(uf.size(y))

class UnionFindTree:
    def __init__(self, n: int) -> None:
        self.parent = [-1] * n

    def find(self, x: int) -> int:
        p = self.parent
        while p[x] >= 0: x, p[x] = p[x], p[p[x]]
        return x

    def union(self, x: int, y: int) -> bool:
        x, y, p = self.find(x), self.find(y), self.parent
        if x == y: return False
        if p[x] > p[y]: x, y = y, x
        p[x], p[y] = p[x] + p[y], x
        return True

    def same(self, x: int, y: int) -> bool:
        return self.find(x) == self.find(y)

    def size(self, x: int) -> int:
        return -self.parent[self.find(x)]

    def same_all(self, indices: Iterable[int]) -> bool:
        f, v = self.find, self.find(indices[0])
        return all(f(i) == v for i in indices)

if __name__ == '__main__':
    input = sys.stdin.readline
    N = int(input())
    XY = [tuple(map(lambda x:int(x) - 1, input().split())) for _ in range(N)]
    main(N, XY)
### BUGGY CODE ###

num = int(input())
a = list(map(int, input().split()))
b = sorted(a)
c = 0
for i in b:
    if b.count(i) != 1:
        c += 1
    else:
        for f in b[:b.index(i)]:
            if i % f == 0:
                c += 1
                break
print(num - c)        

### FIXED CODE ###

from collections import Counter
n = int(input())
a = list(map(int, input().split()))
a.sort()
dp = [0] * a[-1]
c = Counter(a)
for i in a:
    for j in range(i, a[-1]+1, i):
        dp[j-1] += 1
ans = 0
for i in a:
    if dp[i-1] == 1 and c[i]:
        ans += 1
print(ans)
### BUGGY CODE ###

s = input()
n = len(s)

num = []

for i in range(n):
    number = int(s[i:])
    num.append(number%2019)

num.append(0)

ans = 0

for i in range(len(num)):
    a = num[i]
    b = num[i+1:]
    ans += b.count(a)

print(ans)

### FIXED CODE ###

s=input()
s=s[::-1]
n=len(s)

count=[0]*2019
count[0]=1
num,d=0,1

for i in s:
  num+=int(i)*d
  num%=2019
  d*=10
  d%=2019
  count[num]+=1

ans=0
for i in count:
  ans+=i*(i-1)//2
  
print(ans)
### BUGGY CODE ###

# -*- coding: utf-8 -*-

import sys

def input(): return sys.stdin.readline().strip()
def list2d(a, b, c): return [[c] * b for i in range(a)]
def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)]
def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)]
def ceil(x, y=1): return int(-(-x // y))
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)]
def Yes(): print('Yes')
def No(): print('No')
def YES(): print('YES')
def NO(): print('NO')
sys.setrecursionlimit(10 ** 9)
INF = 10 ** 18
MOD = 10 ** 9 + 7

N, x, y = MAP()
x -= 1; y -= 1

G = list2d(N, N, 0)
for i in range(N):
    for j in range(i+1, N):
        G[i][j] = min(j - i, abs(i - x) + abs(j - y) + 1, abs(j - x) + abs(i - y) + 1)
ans = [0] * N
for i in range(N):
    for j in range(i+1, N):
        ans[G[i][j]] += 1
[print(a) for a in ans[1:]]


### FIXED CODE ###

# -*- coding: utf-8 -*-

import sys

def input(): return sys.stdin.readline().strip()
def list2d(a, b, c): return [[c] * b for i in range(a)]
def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)]
def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)]
def ceil(x, y=1): return int(-(-x // y))
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)]
def Yes(): print('Yes')
def No(): print('No')
def YES(): print('YES')
def NO(): print('NO')
sys.setrecursionlimit(10 ** 9)
INF = 10 ** 18
MOD = 10 ** 9 + 7

def bfs(nodes, src):
    """ BFS(一般グラフ、重みなし) """
    from collections import deque

    N = len(nodes)
    que = deque([(src, 0)])
    dist = [INF] * N
    while que:
        u, c = que.popleft()
        if dist[u] != INF:
            continue
        dist[u] = c
        for v in nodes[u]:
            que.append((v, c+1))
    return dist

N, x, y = MAP()
x -= 1; y -= 1

nodes = [[] for i in range(N)]
for i in range(N-1):
    nodes[i].append(i+1)
    nodes[i+1].append(i)
nodes[x].append(y)
nodes[y].append(x)

distx = bfs(nodes, x)
disty = bfs(nodes, y)

G = list2d(N, N, 0)
for i in range(N):
    for j in range(i+1, N):
        G[i][j] = min(j - i, distx[i] + disty[j] + 1, distx[j] + disty[i] + 1)
ans = [0] * N
for i in range(N):
    for j in range(i+1, N):
        ans[G[i][j]] += 1
[print(a) for a in ans[1:]]
### BUGGY CODE ###

a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = 1
d = []
for i in range(a[0]-a[1]+1):
  for j in range(i, i+a[1]):
    c *= b[j] 
  d.append(c)
  c = 1
for k in range(a[0]-a[1]):
  if d[k] < d[k+1]:
    print("Yes")
  else:
    print("No")

### FIXED CODE ###

a = list(map(int, input().split()))
b = list(map(int, input().split()))
for i in range(a[0]-a[1]):
  if b[i] < b[i+a[1]]:
    print("Yes")
  else:
    print("No")
### BUGGY CODE ###

n = int(input())
c = [0 if x=='W' else 1 for x in input() ]
cnt = 0
while (0 in c) and (1 in c[c.index(0):]):
  c[-(c[::-1].index(1)+1)] = 0
  c[c.index(0)] = 1
  cnt += 1
print(cnt)

### FIXED CODE ###

n = int(input())
c = input()
print(c[:c.count('R')].count('W'))
### BUGGY CODE ###

cin = open(0).read().strip().split('\n')

n,k = map(int, cin[0].split(' '))
a = list(map(int, cin[1].split(' ')))

place = 1
history = []
rule = []
while len(rule) == 0:
    history.append(place)
    place = a[place-1]
    for i in range(1,len(history)//2+1):
        aset = set(history[len(history)-i*2:len(history)-i])
        bset = set(history[len(history)-i:])
        # print(i, history, aset, bset)
        if aset == bset:
            rule = history[len(history)-i:]
    if len(history) == (k+1):
        break

if len(rule) == 0:
    print(history[k])
else:
    pre = len(history)-len(rule)*2
    mod = (k-(pre-1)) % len(rule)
    print(rule[mod-1])

### FIXED CODE ###

cin = open(0).read().strip().split('\n')

n,k = map(int, cin[0].split(' '))
a = list(map(int, cin[1].split(' ')))

history = [1]
for i in range(n):
    history.append(a[history[i]-1])

if n >= k:
    print(history[k])
else:
    times = [-1] * n
    for i in range(n):
        if times[history[i]-1] == -1:
            times[history[i]-1] = i
        else:
            cycle = i-times[history[i]-1]
            pre = times[history[i]-1]
            mod = (k-pre)%cycle
            print(history[pre+mod])
            break
### BUGGY CODE ###

if __name__ == '__main__':
    n = int(input())
    a = list(map(int, input().split()))

    sum = 0
    num = 10 ** 9 + 7
    for i in range(0, n - 1):
        for j in range(i + 1, n):
            sum += a[i] * a[j]
            if sum > num:
                sum %= num
    print(sum)


### FIXED CODE ###

if __name__ == '__main__':
    n = int(input())
    a = list(map(int, input().split()))
    cumsum_a = [0] * len(a)
    cumsum_a[0] = a[0]
    for i in range(1, len(a)):
        cumsum_a[i] += cumsum_a[i-1] + a[i]

    sum_val = 0
    num = 10 ** 9 + 7
    for i in range(0, n - 1):
        sum_val += a[i] * (cumsum_a[-1] - cumsum_a[i])
        if sum_val > num:
            sum_val %= num
    print(sum_val)
### BUGGY CODE ###

from collections import deque

h, w = map(int, input().split())
c = list(map(int, input().split()))
d = list(map(int, input().split()))
s = [list(input()) for _ in range(h)]

c = [i-1 for i in c]
d = [i-1 for i in d]

t0 = [(0, 1), (0, -1), (1, 0), (-1, 0)]
t1 = []
for i in range(-2, 3):
    for j in range(-2, 3):
        t1.append((i, j))
for i in t0:
    t1.remove(i)
t1.remove((0, 0))

check = [[-1]*w for _ in range(h)]
q = deque()
q.appendleft((c[0], c[1], 0))

while q:
    y, x, b = q.pop()
    if x == d[1] and y == d[0]:
        print(b)
        exit()
    if check[y][x] == -1:
        check[y][x] = b
        for dy, dx in t0:
            ydy, xdx = y+dy, x+dx
            if (0 <= xdx < w) and (0 <= ydy < h):
                if s[ydy][xdx] == '.' and check[ydy][xdx] == -1:
                    q.append((ydy, xdx, b))
        for dy, dx in t1:
            ydy, xdx = y+dy, x+dx
            if (0 <= xdx < w) and (0 <= ydy < h):
                if s[ydy][xdx] == '.' and check[ydy][xdx] == -1:
                    q.appendleft((ydy, xdx, b+1))
print(-1)

### FIXED CODE ###

from collections import deque

h, w = map(int, input().split())
c = list(map(int, input().split()))
d = list(map(int, input().split()))
s = [list(input()) for _ in range(h)]

c = [i-1 for i in c]
d = [i-1 for i in d]

t0 = [(0, 1), (0, -1), (1, 0), (-1, 0)]
t1 = []
for i in range(-2, 3):
    for j in range(-2, 3):
        t1.append((i, j))
for i in t0:
    t1.remove(i)
t1.remove((0, 0))

check = [[-1]*w for _ in range(h)]
q = deque()
q.appendleft((c[0], c[1], 0))

while q:
    y, x, b = q.pop()
    if x == d[1] and y == d[0]:
        print(b)
        exit()
    if check[y][x] == -1:
        check[y][x] = b
        for dy, dx in t0:
            ydy, xdx = y+dy, x+dx
            if (0 <= xdx < w) and (0 <= ydy < h):
                if s[ydy][xdx] == '.' and check[ydy][xdx] == -1:
                    q.append((ydy, xdx, b))
        for dy, dx in t1:
            ydy, xdx = y+dy, x+dx
            if (0 <= xdx < w) and (0 <= ydy < h):
                if s[ydy][xdx] == '.' and check[ydy][xdx] == -1:
                    q.appendleft((ydy, xdx, b+1))
print(-1)
### BUGGY CODE ###

def gcd(x, y):
  if x % y == 0:
    return y
  
  return gcd(y, x % y)


K = int(input())
count = 0

for a in range(1, K+1):
  for b in range(1, K+1):
    ab = gcd(a, b)

    for c in range(1, K+1):
      count += gcd(ab, c)

print(count)

### FIXED CODE ###

def gcd(x, y):
  if x % y == 0:
    return y
  
  return gcd(y, x % y)


K = int(input())
count = 0

# a, b, cが全て一致する場合
count += K * (K+1) / 2

# a, b, cのうち、いずれか二つが一致する場合
for a in range(1, K):
  for b in range(a+1, K+1):
    count += gcd(b, a) * 6

# a, b, cが全て異なる場合
for a in range(1, K-1):
  for b in range(a+1, K):
    ab = gcd(b, a)
    
    for c in range(b+1, K+1):
      count += gcd(c, ab)  * 6

print(int(count))