Harryxun/stf_run huggingface dataset:
"""from collections import *
from itertools import *
from bisect import *
from heapq import *

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


"""
import copy
from collections import *
from heapq import *
N,K=map(int,input().split())
VVV=list(map(int,input().split()))
value=0

VV=deque(VVV)
Llst=[[]]
V=copy.copy(VV)
for i in range(min(K,N)):
    Llst.append(copy.copy(Llst[-1]))
    a=V.popleft()
    Llst[-1].append(a)

Rlst=[[]]
V=copy.copy(VV)
for i in range(min(K,N)):
    Rlst.append(copy.copy(Rlst[-1]))
    a=V.pop()
    Rlst[-1].append(a)

#print(Llst,Rlst)
for l in range(K):
    for r in range(K-l):
        lst=Llst[l]+Rlst[r]
        lst.sort(reverse=True)
        for i in range(K-l-r):
            if lst:
                if lst[-1]<0:
                    lst.pop()
                else:
                    break
            else:
                break
        value=max(value,sum(lst))
print(value)


### FIXED CODE ###

"""from collections import *
from itertools import *
from bisect import *
from heapq import *

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


"""
import copy
from collections import *
from heapq import *
N,K=map(int,input().split())
VVV=list(map(int,input().split()))
value=0

VV=deque(VVV)
Llst=[[]]
V=copy.copy(VV)
for i in range(min(K,N)):
    Llst.append(copy.copy(Llst[-1]))
    a=V.popleft()
    Llst[-1].append(a)

Rlst=[[]]
V=copy.copy(VV)
for i in range(min(K,N)):
    Rlst.append(copy.copy(Rlst[-1]))
    a=V.pop()
    Rlst[-1].append(a)

#print(Llst,Rlst)
for l in range(min(K,N)+1):
    for r in range(min(K,N)+1-l):
        lst=Llst[l]+Rlst[r]
        lst.sort(reverse=True)
        for i in range(K-l-r):
            if lst:
                if lst[-1]<0:
                    lst.pop()
                else:
                    break
            else:
                break
        value=max(value,sum(lst))
print(value)
X = input()
uresisa_500yen = (X // 500) * 1000
mod = (X % 500)
uresisa_5yen = (mod // 5) * 5

uresisa_total = uresisa_500yen + uresisa_5yen
print(uresisa_total)

### FIXED CODE ###

X = int(input(""))

happy_1 = (X // 500) * 1000
happy_2 = ((X % 500) // 5) * 5

val = happy_1 + happy_2

print(val)
import math

a= int(input)

print(2 * a * mathpi)

### FIXED CODE ###

import math
 
a= int(input())
 
print(2 * a * math.pi)
n = int(input())
data = []

for i in range(n):
	command,x = input().split()
	if command == 'insert':
		data.insert(0,x)
	elif command == 'delete':
		if x in data:
			data.remove(x)
	elif command == 'deleteFirst':
		data.pop(0)
	elif command == 'deleteLast':
		data.pop()

print(*data)

### FIXED CODE ###

from collections import deque

n = int(input())
data = deque()

for i in range(n):
	command = input().split()
	if len(command) == 2:
		command,x = command
	else:
		command = command[0]
	if command == 'insert':
		data.appendleft(x)
	elif command == 'delete':
		if x in data:
			data.remove(x)
	elif command == 'deleteFirst':
		data.popleft()
	elif command == 'deleteLast':
		data.pop()

print(*data)
A, B = int(input().split())
C  = A * B
print(C)


### FIXED CODE ###

A, B = map(int, input().split())
C  = A * B
print(C)
def getlist_pattern( offset, rstr, N, step ):
  aap = []
  if(N<=0):
    return aap
  
  for i,ch in enumerate(rstr):
    if( ch == "o" ):
      ap = getlist_pattern( offset+i+step, rstr[i+step:], N-1,step )
      
      if( ap==[] ):
        ap = [[offset+i]]
      else:
      	for j in range(len(ap)):
          ap[j].append(offset+i)
      aap.extend(ap)
  return aap    

n,k,c = map(int, input().split(" "))

vstr = input()

pp = getlist_pattern( 0, vstr, k, 2 )


for p in pp:
  if(len(p) == k):
    base = p
    break

base.sort()

for ind in base:
  err_flag = 0
  for p in pp:
    if(len(p) == k):
      if( not( ind in p )):
        err_flag = 1
        break
  if( err_flag==0):
  	print( ind+1 )

### FIXED CODE ###

k,y,c = map( int, input().split(" "))
ss = input()

asc = []
dsc = []

cnt = 0
err_flg = 0
while( True ):
  if(len(ss) <= cnt):
    err_flg = 1
    break
  if( ss[cnt] == "o"):
    asc.append( cnt )
    cnt += c+1
  else:
    cnt += 1
    
  if( len(asc)==y ):
    break

cnt = 0
ss = ss[::-1]
while( True ):
  if(len(ss) <= cnt):
    err_flg = 1
    break
  if( ss[cnt] == "o"):
    dsc.append( cnt )
    cnt += c+1
  else:
    cnt += 1
    
  if( len(dsc)==y ):
    break
    
for i in range(len(dsc)):
  dsc[i] = len(ss) - dsc[i] - 1
  
dsc.reverse()
#print(asc)
#print(dsc)

if( err_flg == 0 ):
  for i in range(len(asc)):
    if( asc[i] == dsc[i] ):
      print(asc[i]+1)
N, D = list(map(int, input()))

cnt = 0

for i in range(N):
  x, y = list(map(int, input()))
  
  if x**2 + y**2 <= D**2:
    cnt += 1

print(cnt)

### FIXED CODE ###

N, D = list(map(int, input().split()))
 
cnt = 0
 
for i in range(N):
  x, y = list(map(int, input().split()))
  
  if x**2 + y**2 <= D**2:
    cnt += 1
 
print(cnt)
o=input()
e=input()
s=""
for i in range(len(o)):
  if not e[i]:
    s+=o[i]
  else:
    s+=o[i]+e[i]
print(s)

### FIXED CODE ###

o=input()
e=input()
s=""
for i in range(len(o)):
  if len(e) == i:
    s+=o[i]
  else:
    s+=o[i]+e[i]
print(s)
n,k=map(int,input().split())
lists=list(map(int,input().split()))
a=max(max(lists),k)
length=len(format(a,"b"))

uselists=[0]*length
for some in lists:
    check=format(some,"0%ib"%length)
    for i in range(length):
        if check[i]=="1":
            uselists[length-1-i]+=1       
if k>=1:
    power=0
    for j in range(41):
        if pow(2,j)<=k<pow(2,j+1):
            power=j
            break

        
    fixedlists=[0]*(k-2**power+1)
    for i in range(k-2**power+1):
        fixedlists[i]=format(i,"0%ib"%power)
    #uselistsの左からpower桁文は自由に動かすことができるがpower+1桁めを動かすことになると左からpower桁分の操作範囲は0からk-2**powerの分にまで現象
    ans1=0
    for i in range(power):
        #i=0,1,2,3,.....power-1
        ans1+=(2**i)*max(n-uselists[i],uselists[i])
    ans1+=(2**power)*uselists[power]

    ans2=0
    ans2+=(2**power)*(n-uselists[power])
    checklists=[0]*(k-2**power+1)
    for i in range(k-2**power+1):
        some=fixedlists[i]
        ch=0
        for j in range(power):
            if some[j]=="1":
                ch+=(2**j)*(n-uselists[j])
            elif some[j]=="0":
                ch+=(2**j)*(uselists[j])    
        checklists[i]=ch
    
    chmax=max(checklists)
    ans2+=chmax
    print(max(ans1,ans2))
else:
    print(10**12)

### FIXED CODE ###

n,k=map(int,input().split())
k2=format(k+1,"0%ib"%40)
lists=list(map(int,input().split()))
countlist=[0]*40
for j in lists:
    c=format(j,"0%ib"%40)
    for i in range(40):
        if c[i]=="1":
            countlist[i]+=1

emptylist=[]
for i in range(40):
    if k2[i]=="1":
        emptylist.append(i)
if k>=1:
    ans=0
    for i in emptylist:
        subing=0
        for j in range(40):
            if j<i:
                if k2[j]=="1":
                    subing+=(2**(39-j))*(n-countlist[j])
                elif k2[j]=="0":
                    subing+=(2**(39-j))*countlist[j]
            if j==i:
                subing+=(2**(39-i))*countlist[i]
            
            if j>i:
                subing+=(2**(39-j))*max(countlist[j],n-countlist[j])
        ans=max(ans,subing)
    print(ans)
elif k==0:
    ans=0
    for i in range(40):
        ans+=(2**(39-i))*countlist[i]
    print(ans)
from collections import deque
n,k = map(int,input().split())
td = [list(map(int,input().split())) for i in range(n)]
td.sort(key=lambda x:x[1],reverse=True)
a = 0
ans = []
kind = [-1]*n
c = 0
min_p = deque()
for i in range(n):
    eat = False
    if i<k:
        a += td[i][1]
        eat = True
    else:
        if min_p!=[]:
            if kind[td[i][0]-1]<0:
                a -= (min_p[-1]-td[i][1])
                a += (c+1)**2-c**2
                ans.append(a)
                min_p.popleft()
                eat = True
    if eat:
        if kind[td[i][0]-1]<0:
            kind[td[i][0]-1]=1
            c+=1
        else:min_p.append(td[i][1])
    if i==k-1:
        a += c**2
        ans.append(a)
print(max(ans))



### FIXED CODE ###

n,k = map(int,input().split())
td = [list(map(int,input().split())) for i in range(n)]
td.sort(key=lambda x:x[1],reverse=True)
a = 0
ans = []
kind = [-1]*n
c = 0
min_p = []
for i in range(n):
    eat = False
    if i<k:
        a += td[i][1]
        eat = True
    else:
        if min_p:
            if kind[td[i][0]-1]<0:
                a -= (min_p.pop()-td[i][1])
                a += (c+1)**2-c**2
                ans.append(a)
                eat = True
    if eat:
        if kind[td[i][0]-1]<0:
            kind[td[i][0]-1]=1
            c+=1
        else:min_p.append(td[i][1])
    if i==k-1:
        a += c**2
        ans.append(a)
print(max(ans))
a, b = map(int input())
avg = (a+b) /2
if (avg*10)%10 == 0:
  print(avg)
else:
  print(avg+1)

### FIXED CODE ###

a, b = map(int, input().split())
avg = (a+b) /2
ans = avg*10 // 10
if (avg*10)%10 == 0:
  print(int(ans))
else:
  print(int(ans+1))
n = int(input())
a = map(int, input().split())

def how_many_times_divisible(n):
    ans = 0
    while n % 2 == 0:
        n /= 2
        ans += 1
    return ans
 

ans = min(map(how_many_times_divisible, a))
 
print(ans)

### FIXED CODE ###

# -*- coding: utf-8 -*-
# 整数の入力
s = int(input())
t = str(s)
print(t.count('1'))
n, m = map(int, input().split())


a = [[],[],[]]
for i in range(m):
    s, c = map(int, input().split())
    if not c in a[s-1]:
        a[s-1].append(c)
    
ans = 0
if (len(a[0]) > 1) or (len(a[1]) > 1) or (len(a[2]) > 1):
    print(-1)
elif n==3 and n==2 and a[0][0] == 0:
    print(-1)
else:
    if n==3 and len(a[0])==0 and a[1][0]==0:
        a[0].append(1)
    for i in range(n):
        if len(a[i]) == 1:
            ans += a[i][0] * (10**(n-1-i))
    print(ans)








### FIXED CODE ###

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


a = [[],[],[]]
for i in range(m):
    s, c = map(int, input().split())
    if not c in a[s-1]:
        a[s-1].append(c)
    
ans = 0
if m==0:
    if n==3:
        print(100)
    elif n==2:
        print(10)
    else :
        print(0)
elif (len(a[0]) > 1) or (len(a[1]) > 1) or (len(a[2]) > 1):
    print(-1)
else:
    if (n==3 or n==2) and len(a[0]) == 0:
        a[0].append(1)
    if (n==3 or n==2) and a[0][0] == 0:
        print(-1)
    else:
        for i in range(n):
            if len(a[i]) == 1:
                ans += a[i][0] * (10**(n-1-i))
        print(ans)
N = int(input())
A = list(map(int, input().split(' ')))

modn = int(1e9 + 7)

A = np.mod(A, modn)

ret = 0
for i in range(0, len(A)-1):
  for j in range(i+1, len(A)):
    ret += A[i]*A[j]

print(np.mod(ret, modn))


### FIXED CODE ###

import numpy as np

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

modn = int(1e9 + 7)

ruiseki = sum(A)

ret = 0
for i in range(0, len(A)-1):
  ruiseki -= A[i]
  ret += A[i] * ruiseki

print(np.mod(ret, modn))
#!/usr/bin/env python3
import sys

def solve(N: int, u: "List[int]", v: "List[int]", w: "List[int]"):

    nodes = [1]*N
    e = sorted([(ui, vi, wi) for ui, vi, wi in zip(u, v, w)])
    for eu, ev, ew in e:
        if w%2 == 1:
            nodes[ev-1] = nodes[eu-1]*-1
        else:
            nodes[ev-1] = nodes[eu-1]
            
    for n in nodes:
        print((n==1)*1)

    return


# Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    u = [int()] * (N - 1)  # type: "List[int]"
    v = [int()] * (N - 1)  # type: "List[int]"
    w = [int()] * (N - 1)  # type: "List[int]"
    for i in range(N - 1):
        u[i] = int(next(tokens))
        v[i] = int(next(tokens))
        w[i] = int(next(tokens))
    solve(N, u, v, w)

if __name__ == '__main__':
    main()


### FIXED CODE ###

#!/usr/bin/env python3
import sys

def solve(N: int, u: "List[int]", v: "List[int]", w: "List[int]"):

    G=[dict() for i in range(N)]
    for i in range(N-1):
        ui,vi,wi=u[i],v[i],w[i]
        G[ui-1][vi-1]=wi
        G[vi-1][ui-1]=wi

    dist = [-1]*N
    p = [0]
    dist[0] = 0

    while (len(p)>0):
        k = p.pop()
        for n in G[k]:
            if dist[n]==-1:
                dist[n] = dist[k] + G[k][n]
                p.append(n)
    
    for x in dist:
        print(x%2)

    return


# Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    u = [int()] * (N - 1)  # type: "List[int]"
    v = [int()] * (N - 1)  # type: "List[int]"
    w = [int()] * (N - 1)  # type: "List[int]"
    for i in range(N - 1):
        u[i] = int(next(tokens))
        v[i] = int(next(tokens))
        w[i] = int(next(tokens))
    solve(N, u, v, w)

if __name__ == '__main__':
    main()
input = S
if(input = 'Sunny'):
  print('Cloudy')
else if(input = 'Cloudy'):
  print('Rainy')
else:
  print('Sunny')

### FIXED CODE ###

s=input()
if s=='Sunny':
  print('Cloudy')
elif s=='Cloudy':
  print('Rainy')
else:
  print('Sunny')
n, m = map(int, input().split())
num = [0] * m
for i in range(m):
    s, c = map(int, input().split())
    if num[s-1] != 0 and num[s-1] != c:
        print(-1)
        exit()
    num[s-1] = c

if 1 < n and num[0] == 0:
    print(-1)
    exit()

for i in range(1000):
    ok = True
    string = str(i)
    if len(string) == n:
        for j in range(m):
            if num[j] == 0:
                continue
            elif string[j] != str(num[j]):
                ok = False
                # print(i)
                # print(j)
                break
        if ok:
            print(i)
            exit()
print(-1)

### FIXED CODE ###

n, m = map(int,input().split())
sc = []
for i in range(m):
    sc.append(list(map(int,input().split())))

# 条件の整理
cnt = [0]*4
for i in range(m):
    cnt[sc[i][0]] += 1
    # 最上位桁が0
    # if sc[i][0] == 1 and sc[i][0] == 0 and n > 1:
    #     print(-1)
    #     exit()
    # 同じ桁に違う数字指定
    if cnt[sc[i][0]] > 1:
        
        val = []
        
        for j in range(m):
            if sc[j][0] == sc[i][0]:
                val.append(sc[j][1])
        
        if len(list(set(val))) > 1:
            print(-1)
            exit()


# 全探索
ans = []
for i in range(1000):
    if len(str(i)) == n:
        flg = True
        for j in range(m):
            digit = sc[j][0]
            val = sc[j][1]
            if int(str(i)[digit-1]) != val:
                flg = False
                break
        if flg == True:
            ans.append(i)

if len(ans) == 0:
    print(-1)
    exit()
print(min(ans))
from functools import reduce
from operator import mul

mod = 10**9+7
N,K = map(int,input().split())

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

p = 1
m = 0
ans = 1
cnt = 0

while cnt < K-1:
  if A[m]*A[m+1] > A[-p]*A[-p-1]:
    ans*= A[ni]*A[n+1]%mod
    m += 2
    cnt += 2
    
  else:
    ans *= A[-p]%mod
    p += 1
    cnt += 1
    
if cnt == k-1:
  ans=ans*a[-pi]%p
  
if a[-1]<0 and k%2==1:
  ans=1
  for i in a[n-k:]:
    ans=ans*i%p
print(ans)

from functools import reduce
from operator import mul

mod = 10**9 + 7

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

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

if N == K:
    print(reduce(mul, A)%mod)

else:

    AP = []
    AM = []
    for i in A:
        if i < 0:
            AM.append(i)
        else:
            AP.append(i%mod)
            
    if len(AP) == 0 and K%2 != 0:
        AM.sort(reverse=True)
        AM = AM[:K]
        print(reduce(mul, AM)%mod)

    else:
        
        AP.sort(reverse=True)
        AM.sort()
        
        p = 0
        m = 0
        ans = 1
        cnt = 0

        while cnt <= K:
          if p+1 <= len(AP) and m+1 <= len(AP) and AM[m]*AM[m+1] > AP[p]*A[p+1]:
            ans*= A[m]*A[m+1]%mod
            m += 2
            cnt += 2
            
          else:
            ans *= AP[p]%mod
            p += 1
            cnt += 1

        print(ans%mod)


### FIXED CODE ###

from bisect import bisect_left,bisect_right
p=10**9+7
n,k=map(int,input().split())
a=sorted(list(map(int,input().split())))
pi=1
ni=0
ans=1
i=0
while i<k-1:
  if a[ni]*a[ni+1]>a[-pi]*a[-pi-1]:
    ans=ans*a[ni]*a[ni+1]%p
    ni+=2
    i+=2
  else:
    ans=ans*a[-pi]%p
    pi+=1
    i+=1
if i==k-1:
  ans=ans*a[-pi]%p
if a[-1]<0 and k%2==1:
  ans=1
  for i in a[n-k:]:
    ans=ans*i%p
print(ans)
A = int(input()) #500
B = int(input()) #100
C = int(input()) #50
X = int(input())
count = 0 //初期値
           
#全件走査
maxA = X // 500 if 500 * A > X else A
for i in range(maxA + 1):
  maxB = (X - 500 * i ) // 100 if 100 *B > (X - 500 * (i + 1) )  else B
  for j in range(maxB+1):
    q,mod = divmode (X - 500 * i - 100 * j,50)
    count += 1 if mod == 0 and q <= C     
print(count)

### FIXED CODE ###

A = int(input()) #500
B = int(input()) #100
C = int(input()) #50
X = int(input())
count = 0 #初期値
           
#全件走査
maxA = X // 500 if 500 * A > X else A
for i in range(maxA + 1):
  maxB = (X - 500 * i) // 100 if 100 * B > (X - 500 * i) else B
  for j in range(maxB + 1):
    q,mod = divmod (X - 500 * i - 100 * j ,50)
    if mod == 0 and q <= C:count += 1    
print(count)
# -*- coding:utf8 -*-

n = int(input())
h = list(map(int, input().split()))
ans = 'Yes'
t = h[0]
a = 0
for n in h[1:]:
    d = t - n
    if d < -1 or (d == -1 and a == -1):
        ans  'No'
        break
    else:
        t = i
        a = d
print(ans)

### FIXED CODE ###

# -*- coding:utf8 -*-

n = int(input())
h = list(map(int, input().split()))
p = h[0]
l = [p]
for i in range(1,n):
    c = h[i]
    if i == 1 and p - 1 == c:
        l[0] == c
    if p < c:
        c -= 1
    l.append(c)
    p = c
ans = 'Yes' if l == sorted(l) else 'No'
print(ans)
n, m = map(int, input().split())
h = list(map(int, input().split()))

ab = [list(map(int, input().split())) for i in range(len(h)-1)]

ans = [0]*n

for a, b in ab:
    if h[a-1] > h[b-1]:
        ans[a-1] += 1
    else:
        ans[b-1] += 1

print(ans.count(0))

### FIXED CODE ###

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

edge = [[] for _ in range(n)]

## 接している各頂点をまとめる
for i in range(m):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    edge[a].append(b)
    edge[b].append(a)

cnt = 0

for node in range(n):
    good = True 
    for neighbor in edge[node]:
        if h[node] <= h[neighbor]:
            good = False
    
    if good:
        cnt += 1

print(cnt)
n = int(input())
a = [int(i) for i in input().split()]

sum1 = 0
sum2 = 0

for _ in a:
  sum1 += _
  sum2 += (a*a)
sum1 = (sum1 * sum1)
print(sum1 - sum2)

### FIXED CODE ###

n = int(input())
a = [int(i) for i in input().split()]

sum1 = 0
sum2 = 0

for _ in a:
  sum1 += _
  sum2 += (_*_)
sum1 = (sum1 * sum1)
print(((sum1 - sum2)//2)%1000000007)
num = int(input())
array = map(int, input().split())
sum = 0
 
for i in range(num):
	if i == 0:
      sum += array[i]
    else if i < (num-1):
      if array[i] > array[i-1]:
        sum += array[i]
      else:
        sum += array[i-1]
    else:
      sum += array[i-1]
        
print(sum)

### FIXED CODE ###

num = int(input())
array = list(map(int, input().split()))
sum = 0
 
for i in range(num):
	if i == 0:
		sum += array[i]
	elif i < (num-1):
		if array[i] > array[i-1]:
			sum += array[i-1]
		else:
			sum += array[i]
	else:
		sum += array[i-1]
        
print(sum)
n, k = list(map(int, input().split()))
arr = list(map(int, input().split()))

visited_city = {1: 0}
visited_city_inv = {0: 1}

now = 1
num = 0
while True:
    next_city = arr[now - 1]
    num += 1
    if next_city not in visited_city:
        visited_city[next_city] = num
        visited_city_inv[num] = next_city
        now = next_city
    else:
        break

if k < num:
    ans = visited_city[k]
else:
    x = visited_city[next_city]
    period = num - x
    ans = visited_city_inv[x + (k - x) % period]

print(ans)
# print(visited_city)


### FIXED CODE ###

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

visited_city = {1: 0}
visited_city_inv = {0: 1}

now = 1
num = 0
while True:
    next_city = arr[now - 1]
    num += 1
    if next_city not in visited_city:
        visited_city[next_city] = num
        visited_city_inv[num] = next_city
        now = next_city
    else:
        break

if k < num:
    ans = visited_city_inv[k]
else:
    x = visited_city[next_city]
    period = num - x
    ans = visited_city_inv[x + (k - x) % period]

print(ans)
# print(visited_city)
N = int(input())
A = [int(i) for i in input().split()]
diff = [0] * N
for i in range(N):
    diff[i] = A[i] - (i+1)
diff.sort

b1 = diff[len(diff) // 2]
b2 = diff[(len(diff) + 1) // 2]

ans1 = 0
for i, a in enumerate(A):
    ans1 += abs(a - (i+1+b1))
ans2 = 0
for i, a in enumerate(A):
    ans2 += abs(a - (i+1+b2))
print(min(ans1, ans2))


### FIXED CODE ###

N = int(input())
A = [int(i) for i in input().split()]
for i in range(N):
    A[i] = A[i] - (i+1)
A.sort()
b = A[N//2]
ans = 0
for a in A:
    ans += abs(a - b)
print(ans)
def min_cost(n, hs):
    if (n == 2):
        return abs(hs[1] - hs[0])
    if (n == 3):
        return min(abs(hs[1] - hs[0]) + abs(hs[2] - hs[1]), abs(hs[2] - hs[0]))
    else:
        return min(min_cost(n-1, hs[:n-1:]) + abs(hs[n-1] - hs[n-2]), min_cost(n-2, hs[:n-2:]) + abs(hs[n-1] - hs[n-3]))

N = int(input())
Hn = list(map(int, input().split(' ')))

print(min_cost(N, Hn))

### FIXED CODE ###

def min_cost(n, hs):
    costs = [0 for _ in range(n)]
    costs[1] = abs(hs[1] - hs[0])
    for i in range(2, n):
        costs[i] = min(costs[i-1] + abs(hs[i]-hs[i-1]), costs[i-2] + abs(hs[i] - hs[i-2]))
    
    return costs[n-1]

N = int(input())
Hn = list(map(int, input().split(' ')))

print(min_cost(N, Hn))
import math 
import bisect
import heapq
from collections import deque

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

l = [0] * n
l[0] = 0
for i in range(1,n):
    l[i] = l[i-1] + 1 if h[i-1] >= h[i] else 0

print(max(l))

### FIXED CODE ###

import math 
import bisect
import heapq
from collections import deque

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

l = [0] * n
l[0] = 0
for i in range(1,n):
    l[i] = l[i-1] + 1 if h[i-1] >= h[i] else 0

print(max(l))
N, Q = map(int, input().split())

ab_list = [[] for _ in range(N)]
px_list = [0] * N

for _ in range(N-1):
    a, b = map(int, input().split())
    ab_list[a-1].append(b-1)
    ab_list[b-1].append(a-1)
    
for _ in range(Q):
    p, x = map(int, input().split())
    px_list[p-1] += x
    
ans = [0] * N

def add_point(i, root, point):
    point += px_list[i]
    ans[i] = point
    for num in ab_list[i]:
        if num == root:
            continue
        add_point(num, i, point)
        
add_point(0, -1, 0)

print(*ans)

### FIXED CODE ###

import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**7)

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

ab_list = [[] for _ in range(N)]

for _ in range(N-1):
    a, b = map(int, input().split())
    ab_list[a-1].append(b-1)
    ab_list[b-1].append(a-1)
    
px_list = [list(map(int,input().split())) for _ in range(Q)]
ans = [0] * N

for q, x in px_list:
    ans[q-1] += x

def add_point(num, root=-1):
    for c in ab_list[num]:
        if root == c:
            continue
        ans[c] += ans[num]
        add_point(c, num)
        
add_point(0, -1)

print(*ans)
R=int(input)
print(R*6.28)

### FIXED CODE ###

R=int(input())
print(R*6.28)
N=int(input())
dp=[0]*100000
a=1
b=6
c=9
for i in range(1,N+1):
  if i>=b*6:
    b*=6
  if i>=c*9:
    c*=9
  if i<6:
    dp[i]=i
  elif i<9:
    dp[i]=min(dp[i-a]+1,dp[i-b]+1)
  else:
    dp[i]=min([dp[i-a]+1,dp[i-b]+1,dp[i-c]+1])
print(dp[N])


### FIXED CODE ###

N=int(input())
ans=N
for i in range(N+1):
  cnt=0
  t=i
  while t>0:
    cnt+=t%6
    t//=6
  j=N-i
  while j>0:
    cnt+=j%9
    j//=9
  ans=min(ans,cnt)
print(ans)