Harryxun/stf_run huggingface dataset:
import sys
from typing import Callable, List, NoReturn

import numpy as np


def main() -> NoReturn:
    readline: Callable[[], str] = sys.stdin.readline
    n: int = int(readline().rstrip())
    a: np.ndarray = np.array(tuple(int(_) for _ in readline().rstrip().split()))

    xor_all: int = 0
    for a_n in a:
        xor_all ^= a_n

    values = np.bitwise_xor(a, xor_all)
    print(" ".join(values))


if __name__ == '__main__':
    main()


### FIXED CODE ###

import sys
from typing import Callable, List, NoReturn

import numpy as np


def main() -> NoReturn:
    readline: Callable[[], str] = sys.stdin.readline
    n: int = int(readline().rstrip())
    a: np.ndarray = np.array(tuple(int(_) for _ in readline().rstrip().split()))

    xor_all: int = 0
    for a_n in a:
        xor_all ^= a_n

    values = np.bitwise_xor(a, xor_all)
    print(" ".join(tuple(str(v) for v in  values)))


if __name__ == '__main__':
    main()
import collections
n = int(input())
alist = list(int,input().split())
adic = collections.Counter(alist)
for k,v in adic.items():
  if v == 1:
    del(dic[k])
sort_adic = sorted(adic.items(), reverse = True, key = lamda x:x[1])
li = list(sort_adic.items())
print(li[0][1]*li[1][1])

### FIXED CODE ###

import collections
n = int(input())
alist = list(map(int,input().split()))
adic = collections.Counter(alist)
A = [0,0]
for i in adic:
  if adic[i] > 1:
    A.append(i)
  if adic[i] > 3:
    A.append(i)
sortedA = sorted(A)
print(sortedA[-1]*sortedA[-2])
O = list(input())
E = list(input())
ans = list()

for i in range(len(O)):
    ans.append(O[i])
    ans.append(E[i])
result = "".join(ans)
print(result)

### FIXED CODE ###

O = list(input())
E = list(input())
ans = list()
LEN = len(O)+len(E)
for i in range(LEN):
    if i%2==0:
        ans.append(O[0])
        del O[0]
    else:
        ans.append(E[0])
        del E[0]
result = "".join(ans)
print(result)
import sys
stdin = sys.stdin
sys.setrecursionlimit(10**6)
ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
nn = lambda: list(stdin.readline().split())
ns = lambda: stdin.readline().rstrip()

n,m,k = na()
mod = 998244353
aall = pow(m,n,mod)

p = n-k+1


def cmb(n, r, mod):
    if ( r<0 or r>n ):
        return 0
    r = min(r, n-r)
    return g1[n] * g2[r] * g2[n-r] % mod


N = 10**3*3
g1 = [1, 1] # 元テーブル
g2 = [1, 1] #逆元テーブル
inverse = [0, 1] #逆元テーブル計算用テーブル

for i in range( 2, N + 1 ):
    g1.append( ( g1[-1] * i ) % mod )
    inverse.append( ( -inverse[mod % i] * (mod//i) ) % mod )
    g2.append( (g2[-1] * inverse[-1]) % mod )

if n//2 > k:
    print(aall-cmb(n+p,p,mod))
    exit()

print(aall)

### FIXED CODE ###

import sys
stdin = sys.stdin
sys.setrecursionlimit(10**6)
ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
nn = lambda: list(stdin.readline().split())
ns = lambda: stdin.readline().rstrip()

n,m,k = na()
mod = 998244353


fact = [0] * 220000
invfact = [0] * 220000
 
fact[0] = 1
for i in range(1, 220000):
    fact[i] = fact[i-1] * i % mod
 
invfact[220000 - 1] = pow(fact[220000 - 1], mod-2, mod)
 
for i in range(220000 - 2, -1, -1):
    invfact[i] = invfact[i+1] * (i+1) % mod
 
def nCk(n, k):
    if k < 0 or n < k:return 0
    return fact[n] * invfact[k] * invfact[n-k] % mod
 
ans = 0

for i in range(k+1):
    ans += pow(m-1,n-i-1,mod)*nCk(n-1,i)

print(ans*m%mod)
S = int(input())
print (S//3600, + ":" + S//60, + ":" + S%60)


### FIXED CODE ###

S = int(input())
print (S//3600, (S%3600)//60, S%60, sep = ":")
def gcd(a,b):
    if b==0:
        return a
    else:
        return gcd(b,a%b)
        
def lcm(a,b):
    g = gcd(a,b)
    return a/g*b

n = int(input())
t = []
for i in range(n):
    t.append(int(input()))

ans=1
for i in range(n):
    ans = lcm(ans,t[i])
    
print(ans)

### FIXED CODE ###

n = int(raw_input())

def gcd(a,b):
    if a > b:
        a,b = b,a
    # a <= b
    while a > 0:
        a,b = b%a, a
    return b

def lcm(a,b):
    g = gcd(a,b)
    return a/g * b

x = 1
for i in range(n):
    ti = int(raw_input())
    x = lcm(x, ti)

print x
N,R=list(map(int,input().split()))

if N>=10:
  print(R)
else:
  print(A+100*(10-N))
 
              

### FIXED CODE ###

N,R=list(map(int,input().split()))
 
if N>=10:
  print(R)
else:
  print(R+100*(10-N))
s = input()
c = False
f = False
for i in s:
    if (i=='C') c = True
    if (i=='F') f = True
    if (c==True and f==True) print("Yes")
if (not(c==True and f==True)) print("No")

### FIXED CODE ###

s = input()
if s.count('C') == 0 or s.count('F') == 0:
    print('No')
else:
    s = s[s.find('C'):]
    if s.count('F') == 0:
        print('No')
    else:
        print('Yes')
m,n = (int(x) for x in input().split())
list = (input().split())
for i in range(len(list)):
  list[i] = int(list[i])
  
la = sorted(list, reverse=True)

sum = 0
for i in range(len(list)):
  sum += int(list[i])
if int(la[n-1])<sum/(4*m):
  print('No')
else:
  print('Yes')

### FIXED CODE ###

a,b,c=(int(x) for x in input().split())

a,b = b,a
a,c = c,a

print(a, b, c)
n = int(input())
v = list(map(int, input().split()))
t = [0]
s = 2000000000
for i in range(0, n):
  t.append(t[i]+v[i])
for i in range(0, n-1):
  s = min(s, abs(t[n]-t[i+1])
print(s)

### FIXED CODE ###

n = int(input())
v = list(map(int, input().split()))
t = [0]
s = 2000000000
for i in range(0, n):
  t.append(t[i]+v[i])
for i in range(0, n-1):
  s = min(s, abs(t[n]-2*t[i+1]))
print(s)
S = input()
N = len(S)
ans = ""
flag = ""
ans2 = ""

for i in range(N):
  if(S[i] == "?"):
    flag += "1"
    ans += "D"
  else:
    flag += "0"
    ans += S[i]
for i in range(N):
  if(i==0):
    if(ans[i+1] == "D" and flag[i] == "1"):
      ans2 += "P"
    else:
      ans2 += ans[i]
  elif(i==N-1):
    ans2 += ans[i]
  else:
    if(ans2[i-1] == "D" and ans[i+1] == "D" and flag[i] == "1"):
      ans2 += "P"
    else:
      ans2 += ans[i]
print(ans2)

### FIXED CODE ###

S = input()
N = len(S)
ans = ""
flag = ""
ans2 = ""

if(N==1):
  if(S == "?"):
    print("D")
  else:
    print(S)
else:
  for i in range(N):
    if(S[i] == "?"):
      flag += "1"
      ans += "D"
    else:
      flag += "0"
      ans += S[i]
  for i in range(N):
    if(i==0):
      if(ans[i+1] == "D" and flag[i] == "1"):
        ans2 += "P"
      else:
        ans2 += ans[i]
    elif(i==N-1):
      ans2 += ans[i]
    else:
      if(ans2[i-1] == "D" and ans[i+1] == "D" and flag[i] == "1"):
        ans2 += "P"
      else:
        ans2 += ans[i]
  print(ans2)
N = int(input())
name_list = [input() for name in range(N)]
char_list = ['M', 'A', 'R', 'C', 'H']
count_list = [0 for _ in range(N)]

for name in name_list:
    if name[0] in char_list:
        count_list[char_list.index(name[0])] += 1
score = 1
flag= False
for x in count_list:
    if x != 0:
        flag = True
        score *= x
if flag is True:
    print(score)
else:
    print("0")


### FIXED CODE ###

N = int(input())
name_list = [input() for name in range(N)]
char_list = ['M', 'A', 'R', 'C', 'H']
count_list = [0 for _ in range(len(char_list))]

flag = False

for name in name_list:
    if name[0] in char_list:
        count_list[char_list.index(name[0])] += 1
score = 0
for x in range(5):
    for y in range(x + 1, 5):
        for z in range(y + 1, 5):
            score += count_list[x] * count_list[y] * count_list[z]

print(score)
from sys import exit, stdin

input = stdin.readline
import copy

from collections import deque, Counter

# import numpy as np


N, M = list(map(int, input().split()))

D = [-1] * N

tmp = 0
for i in range(M):
    a, b = list(map(int, input().split()))
    a -= 1
    b -= 1
    if D[a] == -1 and D[b] == -1:
        D[a] = tmp
        D[b] = tmp
        tmp += 1
    elif D[a] == -1 and D[b] != -1:
        D[a] = D[b]
    elif D[a] != -1 and D[b] == -1:
        D[b] = D[a]
    elif D[a] != D[b]:
        for k in range(N):
            if D[k] == D[b]:
                D[k] = a


R = Counter(D)
ans = R.most_common(2)
if ans[0][0] == -1:
    print(ans[1][1])
else:
    print(ans[0][1])


### FIXED CODE ###

from sys import exit, stdin

input = stdin.readline
import copy
from collections import deque, Counter

# import numpy as np


class BIT:
    def __init__(self, a=0):
        self.n = a
        self.d = [0] * (a + 1)

    def add(self, i, x=1):
        i += 1
        while i <= self.n:
            self.d[i] += x
            i += i & (-i)

    def sum(self, *i):
        if len(i) == 1:
            x = 0
            i += 1
            while i:
                x += self.d[i]
                i -= i & (-i)
            return x
        else:
            return sum(self, i[1] - 1) - sum(self, i[0] - 1)


class UnionFind:
    def __init__(self, N):
        # N = data size
        self.n = N
        self.parents = [-1] * N

    def find(self, x):
        # find x's root
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        # unite x and y
        rx = self.find(x)
        ry = self.find(y)

        if rx == ry:
            return False
        if -(self.parents[rx]) < -(self.parents[ry]):
            rx, ry = ry, rx
        self.parents[rx] += self.parents[ry]
        self.parents[ry] = rx
        return True

    def size(self, x):
        # size of group of x's root
        return -(self.parents[self.find(x)])

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return "\n".join("{}: {}".format(r, self.members(r)) for r in self.roots())


N, M = list(map(int, input().split()))

if M == 0:
    print(1)
    exit()


D = UnionFind(N)

for i in range(M):
    a, b = list(map(int, input().split()))
    a -= 1
    b -= 1
    D.union(a, b)

num = [D.size(r) for r in D.roots()]

print(max(num))
s=input()
k=int(input())
A={}
for i in range(26):
  A[chr(ord('a')+i)]=26-i
C=[]
for ss in s:
  C.append(A[ss])
ans=""
for i in range(len(s)):
  if i==len(s)-1:
    if ord(s[-1])+k>122:
      ans+=chr(ord(s[-1])+k-26)
    else:
      ans+=chr(ord(s[-1])+k)
  elif k>=C[i]:
    ans+="a"
    k-=C[i]
  else:
    ans+=s[i]
print(ans)

### FIXED CODE ###

s=input()
k=int(input())
A={}
for i in range(26):
  A[chr(ord('a')+i)]=26-i
C=[]
for ss in s:
  C.append(A[ss])
ans=""
for i in range(len(s)):
  if i==len(s)-1:
    k%=26
    if ord(s[-1])+k>122:
      ans+=chr(ord(s[-1])+k-26)
    else:
      ans+=chr(ord(s[-1])+k)
  elif s[i]!="a" and k>=C[i]:
    ans+="a"
    k-=C[i]
  else:
    ans+=s[i]
print(ans)
n=int(intput())
if (n < 1000)
	print("ABC")
else
	print("ABD")


### FIXED CODE ###

n = int(input())
if n < 1000:
	print('ABC')
else:
	print('ABD')
a,b,c,d,e = (int(x) for i in input().split())
if a == 0:
  print(1)
if b == 0:
  print(2)
if c == 0:
  print(3)
if d == 0:
  print(4)
if e == 0:
  print(5)
  

### FIXED CODE ###

a,b,c,d,e = (int(i) for i in input().split())
if a == 0:
  print(1)
if b == 0:
  print(2)
if c == 0:
  print(3)
if d == 0:
  print(4)
if e == 0:
  print(5)
H, W = [int(x) for x in input().split()]

def solve(H, W):
  if H % 3 == 0 or W % 3 == 0:
    return 0  
  else:
    min_ = 1e10
    a = 0
    ans = 1e20
    for i in range(W+1):
      if abs(i-target) < min_:
        a = i
        min_ = abs(i-target)
      b = W - a
      target = H/2
      for i in range(min(int(target)-1, 2), min(int(target)+2, H+1)):
        if abs(i-target) < min_:
          c = i
          min_ = abs(i-target)
      d = H - c
      S = [a*H, b*c, b*d]
    ans = min(ans, max(S)-min(S))
  return ans

print(min(solve(H, W), solve(W, H)))


### FIXED CODE ###

H, W = [int(x) for x in input().split()]

def solve(H, W):
  if H % 3 == 0 or W % 3 == 0:
    return 0  
  else:
    ans = 1e20
    for i in range(max(W//3-1, 1), min(W//3+2, W)):
      a = i
      b = W - a
      for i in range(max(H//2-1, 1), min(H//2+2, H)):
        c = i
        d = H - c
        S = [a*H, b*c, b*d]
        ans = min(ans, max(S)-min(S))
      for i in range(max(b//2-1, 1), min(b//2+2, b)):
        c = i
        d = b - c
        S = [a*H, c*H, d*H]
        ans = min(ans, max(S)-min(S))
  return ans

print(min(solve(H, W), solve(W, H)))
a, b = input().split()
a = int(a)
b = int(b.strip("."))
print(a*b//100)

### FIXED CODE ###

print(int((s:=input())[:-4])*int(s[-4]+s[-2:])//100)
r = int(input())
pi = 3.14159265358979
print(2*r*pi)

### FIXED CODE ###

def solve():
    N, M = map(int, input().split())
    hws = list(map(int, input().split()))
    for i in hws:
        N -= i
        if (N<0):
            print(-1)
            return

    print(N)

solve()
import numpy as np
from numpy import linalg as LA
import math

mat_dic = {}

def f(mat, n):
    if mat_dic.get(n, None) is not None:
        return mat_dic.get(n, None)

    if n == 1:
        return mat

    if int(math.sqrt(n))**2 == n:
        return LA.matrix_power(f(mat, int(math.sqrt(n))), 2)

    return mat.dot(f(mat, n-1))



N, M = tuple(map(int, input().split(' ')))

mat = np.identity(N)
res = np.zeros(N)

for m in range(M):
    a, b = tuple(map(int, input().split(' ')))
    mat[a-1, b-1] = 1
    mat[b-1, a-1] = 1
    mat[a-1, a-1] = 1
    mat[b-1, b-1] = 1

Q = int(input())

for q in range(Q):
    v, d, c = tuple(map(int, input().split(' ')))
    x = f(mat, d)
    res[x[v-1,:] > 0] = c


for i in range(N):
    print(int(res[i]))


### FIXED CODE ###

import numpy as np

def dp(v, d, c):
    if memo[v-1][d]:
        return

    memo[v-1][d] = True
    if d == 0:
        res[v-1] = str(c)
        return

    dp(v, d-1, c)
    for e in dic[v-1]:
        dp(e, d-1, c)


N, M = [int(e) for e in input().split(' ')]

dic = [[] for _ in range(N)]
memo = [[False]*11 for _ in range(N)]

for m in range(M):
    a, b = [int(e) for e in input().split(' ')]
    dic[a-1].append(b)
    dic[b-1].append(a)

Q = int(input())


vdc = [[int(e) for e in input().split(' ')] for _ in range(Q)]

res = ['0']*N

[dp(v, d, c) for v, d, c in vdc[::-1]]


print('\n'.join(res))
while True:
 x,y =map(int, input().split())
 if x==0 and y==0:
   break
 if x>y:
   print(y,x)
 else:
   print(x,y)


### FIXED CODE ###

c = 1
while True:
 x = int(input())
 if x ==0:
   break
 print("Case ",c,": ",x,sep="")
 c += 1
# -*- coding: utf-8 -*-

import sys
sys.setrecursionlimit(10000)

def dfs(graph, color, visit, idx):
    visit[idx] = True
    for i, w in graph[idx]:
        if visit[i] is True:
            continue
        if w%2 == 0:    # 同色で塗る
            color[i] = color[idx]
            dfs(graph, color, visit, i)
        else:   # 異色で塗る
            color[i] = 1 - color[idx]   # 1-cで異色になる
            dfs(graph, color, visit, i)


N = int(input())
L = N-1
graph = [[] for _ in range(N)]
color = [-1 for _ in range(N)]
visit = [False for _ in range(N)]

for i in range(L):
    u,v,w = map(int, input().split())
    u-=1
    v-=1
    graph[u].append((v,w))
    graph[v].append((u,w))

color[0] = 0    # 添え字0をcolor0と置く
dfs(graph, color, visit, 0)

for c in color:
    print(c)


### FIXED CODE ###

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

from collections import deque

N = int(input())
L = N-1
graph = [[] for _ in range(N)]
color = [-1 for _ in range(N)]
visit = [False for _ in range(N)]

for i in range(L):
    u,v,w = map(int, input().split())
    u-=1
    v-=1
    graph[u].append((v,w))
    graph[v].append((u,w))

que = deque([0])    # 添え字0からアクセス開始
color[0] = 0    # 添え字0をcolor0と置く
while len(que) > 0:
    idx = que.popleft()
    visit[idx] = True
    for i, w in graph[idx]:
        if visit[i] is True:
            continue
        if w%2 == 0:    # 同色で塗る
            color[i] = color[idx]
            que.append(i)
        else:   # 異色で塗る
            color[i] = 1 - color[idx]   # 1-cで異色になる
            que.append(i)

for c in color:
    print(c)
import sys
alpha=[s for s in 'abcdefghijklmnopqrstuvwxyz']
num=int(input())
digit=1
check=26
while num > check:
  digit+=1
  check+=26**digit
digit-=1
if digit == 0:
  print(alpha[num-1])
  sys.exit()
ans=[]
while digit > 1:
  if num % 26**digit == 0:
    ans.append(alpha[num//(26**digit)-2])
  else:
  	ans.append(alpha[num//(26**digit)-1])
  num%=26**digit
  digit-=1
if num % 26 == 0:
  ans.append(alpha[num//26-2])
else:
  ans.append(alpha[num//26-1])
ans.append(alpha[num%26-1])
print(''.join(ans))

### FIXED CODE ###

alpha=[s for s in 'abcdefghijklmnopqrstuvwxyz']
num=int(input())
ans=[]
while num > 0:
  ans.append(alpha[num%26-1])
  num//=26
  if ans[-1]=='z':
    num-=1
print(''.join(ans[::-1]))
q = input()

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

def edit_distance(s, t)
   dp = {}
   
   for i in range(0. len(s)):
      dp[i] = {0: i}
   for j in range(0, len(t)):
      dp[0][j] = j
   
   for i in range(1, len(s)):
      for j in range(1, len(t)):
          d = 0 if s[i-1] == j[i-1] else 1
          dp[i][j] = min(dp[i-1][j]+1, dp[i][j-1]+1, dp[i-1][j-1]+d)

   print dp[len(s)][len(t)]

edit_distance(X, Y)

### FIXED CODE ###

def common():
   X = raw_input()
   Y = raw_input()
  
   s = [0 for i in range(len(Y)+1)]
 
   for j in range(0, len(X)):
      t = s + []
      for k in range(0, len(Y)):
         if X[j] == Y[k]:
            s[k+1] = t[k] + 1
         elif s[k+1] < s[k]:
            s[k+1] = s[k]
  
   print s[-1]
 
q = input()
for l in range(0, q):
   common()
import sys
sys.setrecursionlimit(10**8)
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for i in range(N)]
def dp2(ini, i, j): return [[ini]*i for i2 in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for i2 in range(j)] for i3 in range(k)]
#import bisect #bisect.bisect_left(B, a)
#from collections import defaultdict #d = defaultdict(int) d[key] += value

def rec(i, j, k):
    global dp
    if dp[i][j][k] != -1.0:
        return dp[i][j][k]
    if i+j+k == 0:
        return 0.0

    num = i+j+k
    ans = N_f / num
    if i > 0:
        ans += (rec(i-1, j, k) * i) / num
    if j > 0:
        ans += (rec(i+1, j-1, k) * j) / num
    if k > 0:
        ans += (rec(i, j+1, k-1) * k) / num
    dp[i][j][k] = ans
    return ans

N = ii()
N_f = float(N)
A = li()

cnt = [0, 0, 0]
for a in A:
    cnt[a-1] += 1

dp = dp3(-1.0, cnt[2]+1, cnt[1]+cnt[2]+1, N+1)
dp[0][0][0] = 0

print(rec(cnt[0], cnt[1], cnt[2]))

### FIXED CODE ###

N = int(input())
H = list(map(int, input().split()))

dp = [0]*N

dp[1] = abs(H[1]-H[0])
for i in range(2, N):
    dp[i] =  min(dp[i-2]+abs(H[i]-H[i-2]), dp[i-1]+abs(H[i]-H[i-1]))

print(dp[N-1])
num = int(input())
i = [int(input()) for _ in range(num)]

count_dict = {}
for ele in i:
  if ele not in count_dict:
    count_dict[ele] = 1
  else:
    count_dict[ele] += 1
    
max_count = max(count_dict.values())
max_str = [a for a in count_dict if count_dict[a] == max_count]
for string in sorted(max_str):
  print(string)

### FIXED CODE ###

num = int(input())
i = [input() for _ in range(num)]
 
count_dict = {}
for ele in i:
  if ele not in count_dict:
    count_dict[ele] = 1
  else:
    count_dict[ele] += 1
 
max_count = max(count_dict.values())
max_str = [a for a in count_dict if count_dict[a] == max_count]
for string in sorted(max_str):
  print(string)
a = [input().split() for l in range(2)]
count = 0
if a[0][0] == a[1][0]:
  count = count + 1
if a[0][1] == a[1][1]:
  count = count + 1
if a[2][0] == a[2][0]:
  count = count + 1
 
print(count)

### FIXED CODE ###

a = [input().split() for l in range(2)]
forecast = list(str(a[0]))
real = list(str(a[1]))
count = 0
if forecast[2] == real[2]:
  count = count + 1
if forecast[3] == real[3]:
  count = count + 1
if forecast[4] == real[4]:
  count = count + 1
 
print(str(count))
import math
n , x = map(int,input().split())
X = list(map(int,input().split()))
Y =[]
for i in range(n):
    Y.append(abs(X[i]-x))
ans = Y[0]
for i in range(n):
    ans = math.gcd(ans, Y[i])
print(ans)

### FIXED CODE ###

import fractions
n , x = map(int,input().split())
X = list(map(int,input().split()))
Y =[]
for i in range(n):
    Y.append(abs(X[i]-x))
ans = Y[0]
for i in range(n):
    ans = fractions.gcd(ans, Y[i])
print(ans)
#!/usr/bin/python

import sys

def main(argv):
    line = sys.stdin.readline()
    while line:
        N = int(line)
        P = map(lambda x: int(x), sys.stdin.readline().split(" "))

        counter = 0
        for i in xrange(len(P)):
            index = i + 1
            if P[i] == index:
                if i > 0:
                    if P[i - 1] == index - 1:
                        P[i] = P[i - 1]
                    elif P[i + 1] == index + 1:
                        P[i], P[i + 1] = P[i + 1], P[i]
                    else:
                        P[i] = P[i - 1]
                else:
                    P[i], P[i + 1] = P[i + 1], P[i]
                counter += 1
        print(counter)
        
        line = sys.stdin.readline()

if __name__ == "__main__":
    main(sys.argv)

### FIXED CODE ###

#!/usr/bin/python

import sys

def main(argv):
    line = sys.stdin.readline()
    while line:
        N = int(line)
        P = map(lambda x: int(x), sys.stdin.readline().split(" "))

        counter = 0
        for i in xrange(len(P)):
            index = i + 1
            if P[i] == index:
                if i == 0:
                    P[i], P[i + 1] = P[i + 1], P[i]
                elif i > 0 and i < len(P) - 1:
                    pass
                    if P[i - 1] == index - 1:
                        P[i] = P[i - 1]
                    elif P[i + 1] == index + 1:
                        P[i], P[i + 1] = P[i + 1], P[i]
                    else:
                        P[i] = P[i - 1]
                counter += 1
        print(counter)
        
        line = sys.stdin.readline()

if __name__ == "__main__":
    main(sys.argv)
import math
A,B,C,D = map(int,input().split())

C_mod0 = B//C - (A-1)//C
D_mod0 = B//D - (A-1)//D
CD_mod0 = B*math.gcd(C,D)//(C*D) -(A-1)*math.gcd(C,D)//(C*D)
Total = B - A + 1
ans = Total - C_mod0 - D_mod0 + CD_mod0
print(ans)


### FIXED CODE ###

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

C_mod0 = B//C - (A-1)//C
D_mod0 = B//D - (A-1)//D
i = D
j = C % D
while j > 0:
    k = j
    j = i % j
    i = k

CD_mod0 = B*i // (C*D) - (A-1)*i // (C*D)
Total = B - A + 1
ans = Total - C_mod0 - D_mod0 + CD_mod0

print(ans)
n, k = map(int, input().split())
a = list(map(int, input().split()))
a = [-1]+a
v = [-1 for _ in range(n+1)]
v[1] = 0
x = a[1]
c = 0
while k > 0 and v[x] < 0:
    y = a[x]
    v[y] = v[x]+1
    x = y
    k -= 1
    c += 1

if k==0:
    print(x)
else:
    z = c - v[x]
    k = k%z
    while k > 1:
        k -= 1
        x = a[x]
    print(x)


### FIXED CODE ###

n, k = map(int, input().split())
a = list(map(int, input().split()))
a = [i-1 for i in a]
v = [-1 for _ in range(n)]
p = 0
x = 0
c = 0
while k > 0 and v[x] < 0:
    v[x] = p+1
    p = v[x]
    x = a[x]
    c += 1
    k -= 1

z = c-v[x]+1
k = k%z

while k > 0:
    k -= 1
    x = a[x]
print(x+1)
#N,M,C=map(int,input().split())
#B=[int,input() for _ in range(M)]
#
#for i in range(N):
#  A=[int,input() for _ in range(M)]

import numpy as np
  
N,M,C=map(int,input().split())
B=np.array([int,input() for _ in range(M)])
ans=0

for i in range(N):
  A=np.array([int,input() for _ in range(M)])
  if sum(A-B)-10 > 0:
    ans+=1



### FIXED CODE ###

import numpy as np

N,M,C = map(int,input().split())
B=np.array(list(map(int,input().split())))
ans=0

for i in range(N):
  A=np.array(list(map(int,input().split())))
  if sum(A*B)+C > 0:
    ans+=1
print(ans)
s = input()
n = input()
for i in range(n):
    order, a, b, c = input().split()
    if order == 'replace':
        s = s[:a] + c + s[b+1:]
    elif order[o] == 'r':
        s = s[:a] + a[a:b+1:-1] + a[b+1:]
    else:
        print(s)


### FIXED CODE ###

s = input()
n = int(input())
for i in range(n):
    order, a, b, *c = input().split()
    a = int(a)
    b = int(b)
    if order == 'replace':
        s = s[:a] + c[0] + s[b+1:]
    elif order[0] == 'r':
        s = s[:a] + s[::-1][len(s)-b-1:len(s)-a]+ s[b+1:]
    else:
        print(s[a:b+1])