Harryxun/stf_run huggingface dataset:
def main():
    ans = 0
    n = int(input())
    l = list(map(int, input().split()))
    for i in range(n):
        if l[i] == i+1:
            l[i] = l[i+1]
            l[i+1] = i+1
            ans += 1
    print(ans)

if __name__ == '__main__':
    main()

### FIXED CODE ###

def main():
    ans = 0
    n = int(input())
    l = list(map(int, input().split()))
    for i in range(n-1):
        if l[i] == i+1:
            l[i] = l[i+1]
            l[i+1] = i+1
            ans += 1
    if l[n-1] == n:
        ans += 1
    print(ans)

if __name__ == '__main__':
    main()
N = int(input())
cnt = [0] * 4
for n in range(N):
    s = int(input())
    if s == 'AC':
        cnt[0] += 1
    elif s == 'WA':
        cnt[1] += 1
    elif s == 'TLE':
        cnt[2] += 1
    elif s == 'RE':
        cnt[3] += 1

print('AC x ',cnt[0])
print('WA x ',cnt[1])
print('TLE x ',cnt[2])
print('RE x ',cnt[3])



### FIXED CODE ###




N = int(input())
cnt = [0] * 4
for n in range(N):
    s = input()
    if s == 'AC':
        cnt[0] += 1
    elif s == 'WA':
        cnt[1] += 1
    elif s == 'TLE':
        cnt[2] += 1
    elif s == 'RE':
        cnt[3] += 1

print('AC x ',cnt[0])
print('WA x ',cnt[1])
print('TLE x ',cnt[2])
print('RE x ',cnt[3])
X,Y = input().strip()
if X>Y:
    print(">")
elif Y<X:
    print("<")
else:
    print("=")

### FIXED CODE ###

X,Y = input().strip().split()
if X>Y:
    print(">")
elif X<Y:
    print("<")
else:
    print("=")
import numpy as np
r = raw_input()
c = 1*(np.pi**2)
c2 = r*(np.pi**2)
print(int(c2/c))

### FIXED CODE ###

import numpy as np
r = int(input())
c = int(np.pi)*(1**2)
c2 = int(np.pi)*(r**2)
print(int(c2/c))
n,k = map(int,input().split())
s = list(map(int,input().split()))

t = [0]*(n+1)
t[1] = 1
q = [1]

for i in range(1,k):
    if i == k:
        print(s[i])
        exit()
    if t[s[i]] == 0:
        t[s[i]] = 1
        q.append(s[i])
    elif t[s[i]] != 0:
        ans = k%(len(q))
        print(q[ans])
        exit()



    

    



    


    


### FIXED CODE ###

n,k = map(int,input().split())
s = list(map(int,input().split()))
s.insert(0,0)

visited = [0]*(n+1)
visited[1] = 1
q = [1]

def dp(town):
    if visited[town] == 1:
        ans = k%(len(q))
        print(q[ans])
        exit()
    else:
        visited[town] += 1
        q.append(town)

i = 1
next_town = s[1]
while True:
    if i == k:
        print(next_town)
        exit()
    if visited[next_town] == 1:
        break
    else:
        visited[next_town] += 1
        q.append(next_town)
        next_town = s[next_town]
        i += 1
    
index = q.index(next_town)
q = q[index:]
ans = (k-i)%len(q)
print(q[ans])
a=input(int)
b=input(int)
c=input(int)
d=input(int)
e=input(int)
k=input(int)
if (e-a) < k :
  print("Yay!")
else:
  print(":(")

### FIXED CODE ###

a=int(input())
b=int(input())
c=int(input())
d=int(input())
e=int(input())
k=int(input())
if ( e - a ) <= k :
  print("Yay!")
else:
  print(":(")
import math

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

a = x[0]
b = x[1]
h = x[2]
m = x[3]

deg = abs(h * math.pi/6 + math.pi/360 * m - m * math.pi/30)

if deg <= math.pi:
  deg = deg
else:
  deg = deg - math.pi
  
if deg <= math.pi/2:
  ans = math.sqrt(math.pow(a * math.sin(deg),2) + math.pow(b - a * math.cos(deg),2))
else:
  ans = math.sqrt(math.pow(b * math.sin(deg),2) + math.pow(a - b * math.cos(deg),2))

if h==11:
  break
else:
  print(ans)  

### FIXED CODE ###

import math

a,b,h,m=map(int,input().split())

rad=math.radians(abs(30*h+0.5*m-6*m))

print(math.sqrt(a**2+b**2-2*a*b*math.cos(rad)))
def jump(point):
    if point <= 0:
        return 0
    if memo[point] != inf:
        return memo[point]
    memo[point] = min(jump(point-1)+abs(h[point-1]-h[point]), jump(point-2)+abs(h[point-2]-h[point]))
    return min(jump(point-1)+abs(h[point-1]-h[point]), jump(point-2)+abs(h[point-2]-h[point]))
    
inf = 10**10
memo = [inf]*(N+2)

print(jump(N-2))

### FIXED CODE ###

N = int(input())
h = [i for i in map(int, input().split())]    
memo = [0] * (N+1)
for i in range(N):
    if i == 0:
        pass
    elif i == 1:
        memo[1] = abs(h[1]-h[0])
    else:
        memo[i] = min(memo[i-1]+abs(h[i]-h[i-1]),  memo[i-2]+abs(h[i]-h[i-2]))
print(memo[N-1])
s=input()
if s[2]=s[3] and s[4]=s[5]:print("Yes")
else print("No")

### FIXED CODE ###

s=input()
if s[2]==s[3] and s[4]==s[5]:print("Yes")
else :print("No")
import math
from functools import reduce
n=int(input())
a=list(map(int,input().split()))
def lcm_base(x, y):
    return (x * y) // math.gcd(x, y)

def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

def lcm_list(numbers):
    return reduce(lcm_base, numbers, 1)
k=0
m=lcm_list(l)-1
for i in range(n):
    k+=m%l[i]
print(k)

### FIXED CODE ###

from fractions import gcd
from functools import reduce
n=int(input())
a=list(map(int,input().split()))
def lcm_base(x, y):
    return (x * y) // gcd(x, y)

def lcm(*numbers):
    return reduce(lcm_base, numbers, 1)

def lcm_list(numbers):
    return reduce(lcm_base, numbers, 1)
k=0
m=lcm_list(a)-1
for i in range(n):
    k+=m%a[i]
print(k)
list=input().split(" ")
x=int(list[0])
y=int(list[1])
z=int(list[2])
k=int(list[3])

kari=input().split(" ")
alist=[]
for ax in range(x):
    alist.append(int(kari[ax]))
alist=sorted(alist)

kari=input().split(" ")
blist=[]
for by in range(y):
    blist.append(int(kari[by]))
blist=sorted(blist)

kari=input().split(" ")
clist=[]
for cz in range(z):
    clist.append(int(kari[cz]))
clist=sorted(clist)

nowx=0
nowy=0
nowz=0


ngo=[]

for a in range(min(x,10)):
    for b in range(min(y,10)):
        for c in range(min(z,10)):
            ngo.append(alist[x-a-1]+blist[y-b-1]+clist[z-c-1])
            
            
for a in range(max(x-10,0)):
    for b in range(min(y,10)):
        for c in range(min(z,10)):
            ngo.append(alist[x-a-1+max(x-10)]+blist[y-b-1]+clist[z-c-1])

for a in range(min(x, 10)):
    for b in range(max(y-10,0)):
        for c in range(min(z,10)):
            ngo.append(alist[x-a-1]+blist[y-b-1+max(y-10)]+clist[z-c-1])

for a in range(min(x, 10)):
    for b in range(min(y,10)):
        for c in range(max(z-10, 0)):
            ngo.append(alist[x-a-1]+blist[y-b-1]+clist[z-c-1+max(z-10)])

ngo=sorted(ngo, reverse=True)

for d in range(k):
    print(ngo[d])

### FIXED CODE ###

x, y, z, k = map(int, input().split())
alist = list(map(int, input().split()))
blist = list(map(int, input().split()))
clist = list(map(int, input().split()))

bclist=[]

for i in range(y):
    now=blist[i]
    for j in range(z):
        bclist.append(now+clist[j])

bclist=sorted(bclist)
bclist2=bclist[-k:]
#print(bclist2)

ng=len(bclist2)
abclist=[]

for i in range(ng):
    now=bclist2[i]
    for j in range(x):
        abclist.append(now+alist[j])

abclist=sorted(abclist)
for i in range(k):
    print(abclist[-1-i])
R=int.input()
print(2*3.14159*R)

### FIXED CODE ###

R=int(input())
print(2*3.14159*R)
a, b, k = map(int, input().split())
table = []

for i in range(min(a, b)):
    if a % i == 0 and b % i == 0:
        table.append(i)
print(table[-k])

### FIXED CODE ###

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

for i in range(min(a, b), 0, -1):
    if a % i == 0 and b % i == 0:
        k -= 1
        if k == 0:
            print(i)
            break
from collections import deque

s = input()
q = int(input())
query = [input() for _ in range(q)]

#s = deque(s)

inv = 0
for q in query :
    if q[0] == '1':
        inv += 1
    else:
        _,f,c = q.split()
        if f == '1':
            if inv % 2 == 0:
                s.appendleft(c)
            else:
                s.append(c)
        else:
            if inv % 2 ==0:
                s.append(c)
            else:
                s.appendleft(c)
s = ''.join(s)
print(s if inv % 2 == 0 else s[::-1])


### FIXED CODE ###

from collections import deque

s = input()
q = int(input())
query = [input() for _ in range(q)]

s = deque(s)

inv = 0
for q in query :
    if q[0] == '1':
        inv += 1
    else:
        _,f,c = q.split()
        if f == '1':
            if inv % 2 == 0:
                s.appendleft(c)
            else:
                s.append(c)
        else:
            if inv % 2 ==0:
                s.append(c)
            else:
                s.appendleft(c)
s = ''.join(s)
print(s if inv % 2 == 0 else s[::-1])
a,b=map(int,input().split())
for i in range(10000):
    if int(i * 0.08) == A and int(i * 0.1) == B:
        print(i)
        break
else:
    print(-1)


### FIXED CODE ###

A, B = map(int, input().split())
 
for i in range(10000):
    if int(i * 0.08) == A and int(i * 0.1) == B:
        print(i)
        break
else:
    print(-1)
N=int(input())
hats=input()
 
red=0
for hat in hats:
   if hat=="R":
      red++
 
if red>N-red:
   print("Yes")
else:
   print("No")

### FIXED CODE ###

N=int(input())
hats=input()
 
red=0
for hat in hats:
   if hat=="R":
      red=red+1
 
if red>N-red:
   print("Yes")
else:
   print("No")
i = 1
while True:
    x = int(input()))
    if(x == 0): 
        break
    print(f"Case {i}: {x}")
    i += 1


### FIXED CODE ###

i = 1
while True:
    x = int(input())
    if(x == 0): 
        break
    print(f"Case {i}: {x}")
    i += 1
from heapq import heappop,heappush
n=int(input())
pair=[i for i in range(n)]
e=[]
que=[]
que1=[]
for i in range(n):
  s,t=map(int,input().split())
  heappush(e,(s,t))
s,t=heappop(e)
heappush(que1,(t,s,0))
for i in range(n-1):
  s1,t1=heappop(e)
  heappush(que,(s1-s,i,i+1))
  s,t=s1,t1
  heappush(que1,(t,s,i+1))
t,s,i=heappop(que1)
for _ in range(n-1):
  t1,s1,j=heappop(que1)
  heappush(que,(t1-t,i,j))
  s,t,i=s1,t1,j
def find(x):
  if x==pair[x]:return x
  else:
    tmp=find(pair[x])
    pair[x]=tmp
    return tmp
ans=0
while que:
  w,s,t=heappop(que)
  root_s=find(s)
  root_t=find(t)
  if root_s!=root_t:
    pair[root_s]=root_t
    ans+=w
print(ans)

### FIXED CODE ###

from heapq import heappop,heappush
import sys
sys.setrecursionlimit(10**6)
n=int(input())
pair=[i for i in range(n)]
que=[]
e=[None]*n
for i in range(n):
  x,y=map(int,input().split())
  e[i]=(i,x,y)
ex=sorted(e,key=lambda x:x[1])
ey=sorted(e,key=lambda x:x[2])
for i in range(n-1):
  w=ex[i+1][1]-ex[i][1]
  heappush(que,(w,ex[i][0],ex[i+1][0]))
for i in range(n-1):
  w=ey[i+1][2]-ey[i][2]
  heappush(que,(w,ey[i][0],ey[i+1][0]))
def find(x):
  if x==pair[x]:return x
  else:
    tmp=find(pair[x])
    pair[x]=tmp
    return tmp
q=[]
ans=0
while que:
  w,s,t=heappop(que)
  root_s=find(s)
  root_t=find(t)
  if root_s!=root_t:
    pair[root_s]=root_t
    ans+=w
print(ans)
import math
H,W,T=map(int, input().split())
gh, gw = math.gcd(H, T), math.gcd(W, T)
h, w = H // gh, W // gw
MOD = 1000000007
print(pow(pow(2, h, MOD) + pow(2, w, MOD) + pow(2, math.gcd(h, w), MOD) - 3, gh * gw, MOD))

### FIXED CODE ###

def gcd(x, y):
	if y == 0:
		return x
	return gcd(y, x % y)
H,W,T=map(int, input().split())
gh, gw = gcd(H, T), gcd(W, T)
h, w = H // gh, W // gw
MOD = 1000000007
print(pow(pow(2, h, MOD) + pow(2, w, MOD) + pow(2, gcd(h, w), MOD) - 3, gh * gw, MOD))
h = int(input())
if h == 0:
  print(0)
  quit()
def waruni(i):
  if i == 2 or i == 3:
    return 3
  else:        
    r = waruni(i//2) * 2 + 1
    return r
rus = waruni(h)
print(rus)
# I love kemofure

### FIXED CODE ###

h = int(input())
if h == 0:
  print(0)
  quit()
i = 0
while True:
  if h < 2**i:
    print(2**i - 1)
    quit()
  else:
    i += 1
# I love kemofure
#include<iostream>
using namespace std;

int main(){
    int H,W;
    while(cin >> H >> W && (H!=0 || W!=0)){
        for (int i = 0; i < H; i += 1){
            cout << "#"*W << endl;
        }
    }
    return 0;
}


### FIXED CODE ###

while True:
    H,W=map(int,input().split())
    if H==0 and W==0:
        break
    for i in range(H):
            print(W*"#")
    print("")
import sys
slist = [i for i in range(1, 14)]
hlist = [i for i in range(1, 14)]
clist = [i for i in range(1, 14)]
dlist = [i for i in range(1, 14)]
for line in sys.stdin:
    suit, rank = line.split()
    rankn = int(rank)
    if suit = 'S':
        if rankn in slist:
            slist.pop(rankn - 1)
    elif suit = 'H':
        if rankn in hlist:
            hlist.pop(rankn - 1)
    elif suit = 'C':
        if rankn in clist:
            clist.pop(rankn - 1)
    else:
        if rankn in dlist:
            dlist.pop(rankn - 1)


### FIXED CODE ###

lst = [True for i in range(52)]
n = int(input())
for i in range (n):
    suit, rank = input().split()
    rankn = int(rank)
    if suit == 'S':
        lst[rankn-1] = False
    elif suit == 'H':
        lst[rankn+12] = False
    elif suit == 'C':
        lst[rankn+25] = False
    else:
        lst[rankn+38] = False
for i in range(52):
    tf = lst[i]
    if i <= 12 and tf:
        print ('S %d' % (i+1))
    elif 12 < i <= 25 and tf:
        print ('H %d' % (i-12))
    elif 25 < i <= 38 and tf:
        print ('C %d' % (i-25))
    elif tf:
        print ('D %d' % (i-38))
#import numpy as np
#import math
#from decimal import *
#from numba import njit

#@njit
def main():
    N = int(input())
    f = [{} for _ in range(N+1)] # [{arg:k}]
    f[6] = {(1,1,1):1}
    for i in range(N):
        args = f[i]
        for (x,y,z),k in args.items():
            index = i + 2*x + y + z + 1
            arg = (x+1,y,z)
            if index < N+1:
                f[index].update({arg: f[index].get(arg,0)+k})
            index = i + x + 2*y + z + 1
            arg = (x,y+1,z)
            if index < N+1:
                f[index].update({arg: f[index].get(arg,0)+k})
            index = i + x + y + 2*z + 1
            arg = (x,y,z+1)
            if index < N+1:
                f[index].update({arg: f[index].get(arg,0)+k})

    #print(f)
    for i in range(1,N+1):
        print(sum(f[i].values()))


main()


### FIXED CODE ###

#import numpy as np
#import math
#from decimal import *
#from numba import njit

#@njit
def main():
    N = int(input())
    f = [{} for _ in range(N+1)] # [{arg:k}]
    if len(f) > 6:
        f[6] = {(1,1,1):1}
    for i in range(N):
        args = f[i]
        for (x,y,z),k in args.items():
            index = i + 2*x + y + z + 1
            arg = (x+1,y,z)
            if index < N+1:
                f[index][arg] = 1
            index = i + x + 2*y + z + 1
            arg = (x,y+1,z)
            if index < N+1:
                f[index][arg] = 1
            index = i + x + y + 2*z + 1
            arg = (x,y,z+1)
            if index < N+1:
                f[index][arg] = 1

    for i in range(1,N+1):
        print(sum(f[i].values()))


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

p = 1
n = 0
ans = 1
cnt = 0
while cnt < K-1:
  if A[n]*A[n+1] > A[-p]*A[-p-1]:
    ans = ans*A[ni]*A[ni+1]%mod
    n += 2
    cnt += 2
    
  else:
    ans = ans*A[-p]%mod
    p += 1
    cnt += 1
    
if i == K-1:
  ans = ans*A[-p]%mod
  
if A[-1]<0 and K%2==1:
  ans = 1
  for i in A[N-K:]:
    ans = ans*cnt%mod

print(ans)

### 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)
import sys
import fractions

stdin = sys.stdin

ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
ns = lambda: stdin.readline().rstrip()

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    # divisors.sort()
    return divisors

n = ni()
li = na()
li2 = []
kouho = []
if len(li) == 2:
    print(max(li[0], li[1]))
else:
    a = fractions.gcd(li[0], li[1])
    b = fractions.gcd(li[1], li[2])
    c = fractions.gcd(li[2], li[0])
    li2.append(a)
    li2.append(b)
    li2.append(c)
    li2.extend(make_divisors(a))
    li2.extend(make_divisors(b))
    li2.extend(make_divisors(c))
    kouho = set(li2)
    for i in range(3,n):
        if len(kouho) == 0:
            break
        for num in kouho:
            if li[i] % num != 0:
                kouho.remove(num)
    if len(kouho) == 0:
        print(1)
    else:
        print(max(kouho))







### FIXED CODE ###

import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time, copy,bisect
from operator import itemgetter
#from heapq import heappush, heappop
import numpy as np
from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson
#from scipy.sparse import csr_matrix

sys.setrecursionlimit(10**7)
inf = 10**20
mod = 10**9 + 7

stdin = sys.stdin

ni = lambda: int(ns())
nf = lambda: float(ns())
na = lambda: list(map(int, stdin.readline().split()))
nb = lambda: list(map(float, stdin.readline().split()))
ns = lambda: stdin.readline().rstrip()  # ignore trailing spaces

N = ni()
A = na()
b = [0] * N
c = [0] * N
b[0] = A[0]
c[-1] = A[-1]
for i in range(N-1):
    b[i+1] = math.gcd(b[i], A[i+1])
    c[-(i+2)] = math.gcd(c[-(i+1)], A[-(i+2)])

ans = 1
ans = max(c[1], ans)
ans = max(b[-2], ans)
for i in range(1, N-1):
    ans = max(math.gcd(b[i-1], c[i+1]), ans)
print(ans)
number = int(input())
h = number//3600
m = (number%3600)//60
s =  (number%3600)%60
print(h +':' + m + ':' + s)


### FIXED CODE ###

sec = int(input())
print(sec//3600, ':', (sec%3600)//60, ':', sec%60, sep='')
d,n  = map(int,input().split())
l1 = []
l2 = []

for i in range(1,1000000):
    if i % 100 == 0 and i % 10000!= 0:
        l1.append(i)
    if i % 10000 == 0 and i % 1000000!= 0:
        l2.append(i)
        
if d == 0:
    print(n)
elif d == 1:
    print(l1[n-1])
else:
    print(l2[n-1])

### FIXED CODE ###

d,n  = map(int,input().split())
l1 = []
l2 = []


        
if d == 0:
    if n != 100:
        print(n)
    else:
        print(101)
elif d == 1:
    if n != 100:
        print(n * 100)
    else:
        print(10100)
else:
    if n != 100:
        print(n * 10000)
    else:
        print(1010000)
import numpy as np

#H, W, M = map(int, input().split())
#h = np.zeros(H)
#w = np.zeros(W)
m = np.zeros((3*10**5, 3*10**5))
ans = 3
'''
for _ in range(M):
    tmp_h, tmp_w = map(int, input().split())
    h[tmp_h-1] += 1
    w[tmp_w-1] += 1
    m[tmp_h-1, tmp_w-1] = 1.

h_max = np.max(h)
h_max_index = list(zip(*np.where(h == h_max)))
w_max = np.max(w)
w_max_index = list(zip(*np.where(w == w_max)))

for i in h_max_index:
    for j in w_max_index:
        if m[i[0]][j[0]] == 1.:
            tmp = h_max + w_max -1
        else:
            tmp = h_max + w_max
        if ans < tmp:
            ans = tmp
'''
print(int(ans))

### FIXED CODE ###

import numpy as np

H, W, M = map(int, input().split())
h = np.zeros(H)
w = np.zeros(W)
m = {}
flag = 0

for _ in range(M):
    tmp_h, tmp_w = map(int, input().split())
    h[tmp_h-1] += 1
    w[tmp_w-1] += 1
    m[(tmp_h-1, tmp_w-1)] = 1.

h_max = np.max(h)
h_max_index = list(zip(*np.where(h == h_max)))
w_max = np.max(w)
w_max_index = list(zip(*np.where(w == w_max)))

for i in h_max_index:
    for j in w_max_index:
        if (i[0], j[0]) not in m.keys():
            flag = 1
            break

if flag == 1:
    print(int(h_max + w_max))
else:
    print(int(h_max + w_max - 1))
from heapq import *
import sys
from collections import *
from itertools import *
from decimal import *
import copy
from bisect import *
import math
import numpy as np
import random
sys.setrecursionlimit(4100000)
def gcd(a,b):
    if(a%b==0):return(b)
    return (gcd(b,a%b))
input=lambda :sys.stdin.readline().rstrip()



N=int(input())
mod=10**9+7
dp=[[8,1,1,0] for i in range(N)]#1,2~8,9,both
for i in range(1,N):
    dp[i][0]=dp[i-1][0]*8
    dp[i][1]=dp[i-1][0]+dp[i-1][1]*9
    dp[i][2]=dp[i-1][0]+dp[i-1][2]*9
    dp[i][3]=dp[i-1][1]+dp[i-1][2]+dp[i-1][3]*10
    for n in range(4):
        dp[i][n]%=mod
print(dp[-1][3]%mod)


### FIXED CODE ###

from heapq import *
import sys
from collections import *
from itertools import *
from decimal import *
import copy
from bisect import *
import math
import random
sys.setrecursionlimit(4100000)
def gcd(a,b):
    if(a%b==0):return(b)
    return (gcd(b,a%b))
input=lambda :sys.stdin.readline().rstrip()



N=int(input())
mod=10**9+7
dp=[[8,1,1,0] for i in range(N)]#1,2~8,9,both
for i in range(1,N):
    dp[i][0]=dp[i-1][0]*8
    dp[i][1]=dp[i-1][0]+dp[i-1][1]*9
    dp[i][2]=dp[i-1][0]+dp[i-1][2]*9
    dp[i][3]=dp[i-1][1]+dp[i-1][2]+dp[i-1][3]*10
    for n in range(4):
        dp[i][n]%=mod
print(dp[-1][3]%mod)
A,B =map(int,input().split())
if A-B == 0:
    print(A+"=="+B)
elif A >= B:
        print(A+">"+B)
print(A+"<"+B)


### FIXED CODE ###

A,B =map(int,input().split())
if A-B == 0:
    print("a == b")
elif A >= B:
    print("a > b")
else:
    print("a < b")
x = int(input())
b = 0
while True:
    a = pow(x + b**5, 0.2)
    if a**5 == int(a**5):
        break
    if b == 0:
        b = 1
    elif b>0:
        b = -b
    else:
        b = -b + 1
print(int(a), b)

### FIXED CODE ###

x = int(input())
flag = 0
for a in range(-150, 150):
    for b in range(-150, 150):
        if a**5 - b**5 == x:
            break
    else:
        continue
    break

print(a, b)
import sys
input = sys.stdin.readline
from collections import deque

def main():
  h, w, k = map(int, input().split())
  x1, y1, x2, y2 = map(lambda x:int(x)-1, input().split())
  v1 = x1*(w+1)+y1
  v2 = x2*(w+1)+y2
  C = "".join(input().rstrip()+"@" for _ in range(h))
  dist = tuple(-1 if c=="@" else 10**10 for c in C)
  ans = 0
  que = deque()
  que.append(v1)
  dist[v1] = 0
  while que:
    v = que.popleft()
    if v == v2:
      print(dist[v2])
      exit()
    d = dist[v]+1
    for dr in (-(w+1), -1, w+1, 1):
      for i in range(1, k+1):
        nv = v+dr*i
        if 0 <= nv < h*(w+1):
          if dist[nv] > d:
            dist[nv] = d
            que.append(nv)
          elif dist[nv] == d:
            continue
          else:
            break
        else:
          break
  print(-1)
if __name__ == "__main__":
  main()

### FIXED CODE ###

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

def main():
  h, w, k = map(int, input().split())
  x1, y1, x2, y2 = map(lambda x:int(x)-1, input().split())
  v1 = x1*(w+1)+y1
  v2 = x2*(w+1)+y2
  C = "".join(input().rstrip()+"@" for _ in range(h))
  dist = [-1 if c=="@" else 10**10 for c in C]
  ans = 0
  que = deque()
  que.append(v1)
  dist[v1] = 0
  while que:
    v = que.popleft()
    if v == v2:
      print(dist[v2])
      exit()
    d = dist[v]+1
    for dr in (-(w+1), -1, w+1, 1):
      for i in range(1, k+1):
        nv = v+dr*i
        if 0 <= nv < h*(w+1):
          if dist[nv] > d:
            dist[nv] = d
            que.append(nv)
          elif dist[nv] == d:
            continue
          else:
            break
        else:
          break
  print(-1)
if __name__ == "__main__":
  main()