Harryxun/stf_run huggingface dataset:
from copy import deepcopy

n,*a = map(int,open(0).read().split())
acopy = deepcopy(a)
a.sort()
acopy.sort(reverse = True)

L = deque([])
a = deque(a)
acopy = deque(acopy)
Lcopy = deepcopy(L)

max_ = a.pop()
L.append(max_)
min_ = acopy.pop()
Lcopy.append(min_)

while a:
    if a:
        b = a.popleft()
        L.append(b)
    if a:
        c = a.popleft()
        L.appendleft(c)
    if a:
        d = a.pop()
        L.append(d)
    if a:
        e = a.pop()
        L.appendleft(e)

while acopy:
    if acopy:
        b = acopy.popleft()
        Lcopy.append(b)
    if acopy:
        c = acopy.popleft()
        Lcopy.appendleft(c)
    if acopy:
        d = acopy.pop()
        Lcopy.append(d)
    if acopy:
        e = acopy.pop()
        Lcopy.appendleft(e)
ans1,ans2 = 0,0
#print(L,Lcopy)
for i in range(len(L)-1):
    ans1 +=abs(L[i+1] - L[i])
for i in range(len(Lcopy)-1):
    ans2 +=abs(Lcopy[i+1] - Lcopy[i])
print(max(ans1,ans2))

### FIXED CODE ###

from collections import deque
from copy import deepcopy

n,*a = map(int,open(0).read().split())
acopy = deepcopy(a)
a.sort()
acopy.sort(reverse = True)

L = deque([])
a = deque(a)
acopy = deque(acopy)
Lcopy = deepcopy(L)

max_ = a.pop()
L.append(max_)
min_ = acopy.pop()
Lcopy.append(min_)

while a:
    if a:
        b = a.popleft()
        L.append(b)
    if a:
        c = a.popleft()
        L.appendleft(c)
    if a:
        d = a.pop()
        L.append(d)
    if a:
        e = a.pop()
        L.appendleft(e)

while acopy:
    if acopy:
        b = acopy.popleft()
        Lcopy.append(b)
    if acopy:
        c = acopy.popleft()
        Lcopy.appendleft(c)
    if acopy:
        d = acopy.pop()
        Lcopy.append(d)
    if acopy:
        e = acopy.pop()
        Lcopy.appendleft(e)
ans1,ans2 = 0,0
#print(L,Lcopy)
for i in range(len(L)-1):
    ans1 +=abs(L[i+1] - L[i])
for i in range(len(Lcopy)-1):
    ans2 +=abs(Lcopy[i+1] - Lcopy[i])
print(max(ans1,ans2))
S = input()
N = len(S)
kai = []
kai2 = []
kai3 = []

for i in range(N):
  kai.append(S[i])

for i in range(1, ((N - 1) / 2 + 1)):
  kai2.append(S[i])

for i in range(((N + 3) / 2), N + 1):
  kai3.append(S[i])

rev = kai.reverse
rev2 = kai2.reverse
rev3 = kai3.reverse

if kai == rev:
  if kai2 == rev2:
    if kai3 == rev3:
      print('Yes')
    else:
      print('No')
  else:
    print('No')
else:
  print('No')


### FIXED CODE ###

S = input()
N = len(S)
kai = []
kai2 = []
kai3 = []
rev = []
rev2 = []
rev3 = []

for i in range(N):
  kai.append(S[i])

for i in range(0, int((N - 1) / 2)):
  kai2.append(S[i])

for i in range(int((N + 3) / 2) - 1, N):
  kai3.append(S[i])

kai.reverse()
kai2.reverse()
kai3.reverse()

for i in range(N):
  rev.append(S[i])

for i in range(0, int((N - 1) / 2)):
  rev2.append(S[i])

for i in range(int((N + 3) / 2) - 1, N):
  rev3.append(S[i])

if kai == rev:
  if kai2 == rev2:
    if kai3 == rev3:
      print('Yes')
    else:
      print('No')
  else:
    print('No')
else:
  print('No')
N=int(input())
M=int(input())
print(N*(N-1)/2+M*(M-1)/2)

### FIXED CODE ###

N,M=map(int,input().split())
print(int(N*(N-1)/2+M*(M-1)/2))
N, A, B = map(int, input().split())

counter = [0 for _ in range(N)]
ans = 0

for i in range(1,N+1):
    st = str(i)
    for j in st:
        counter[i] += int(st[j])
    if A<= counter[i] <=B :
        ans += i

print(ans)

### FIXED CODE ###

N, A, B = map(int, input().split())
ans = 0

for i in range(1, N+1):
    num_sum = 0
    for j in str(i):
        num_sum += int(j)
    if A<= num_sum <= B:
        ans += i

print(ans)
import sys
from collections import deque
input = sys.stdin.readline

m = [list(map(lambda x: 1 if x=="#" else 0, input())) for _ in range(H)]
black = [(i, j, 0) for i in range(H) for j in range(W) if m[i][j] == 1]

# print(m)
# print(black)

queue = deque(black)
queue_append = queue.append
ans = 0
while queue:
    p = queue.popleft()
    if ans < p[2]:
        ans += 1
    for i, j in ((-1, 0), (1, 0), (0, 1), (0, -1)):
        next_p = (p[0] + i, p[1] + j)
        if (0 <= next_p[0] < H) and (0 <= next_p[1] < W):
            if not m[next_p[0]][next_p[1]]:
                m[next_p[0]][next_p[1]] = 1
                queue_append((next_p[0], next_p[1], ans+1))
print(ans)


### FIXED CODE ###

from collections import deque

H, W = map(int, input().split())

m = [[0 for _ in range(W)] for _ in range(H)]
root = []
for i in range(H):
    # m.append(list(map(lambda x: 0 if x=="#" else 1, input()))）
    for j, c in enumerate(input()):
        if c == "#":
            m[i][j] = 1
            root.append((i, j))

# print(m)
# print(root)

queue = deque(root)
visited = deque(root)
visited_extend = visited.extend
ans = 0
while len(visited) < H*W:
    # print(visited)
    ans += 1
    new_queue = deque([])
    while queue:
        p = queue.popleft()
        for i, j in ([-1, 0], [1, 0], [0, 1], [0, -1]):
            next_p = (p[0] + i, p[1] + j)
            if (0 <= next_p[0] < H) and (0 <= next_p[1] < W):
                if not m[next_p[0]][next_p[1]]:
                    m[next_p[0]][next_p[1]] = 1
                    new_queue.append(next_p)
    visited_extend(new_queue)
    queue = new_queue
print(ans)
a = input().split(" ")
if a[0] < a[1] and a[1] < a[2]:
    print("Yes")
else:
    print("No")a = input().split(" ")
if a[0] < a[1] and a[1] < a[2]:
    print("Yes")
else:
    print("No")


### FIXED CODE ###

a = input().split(" ")
if a[0] < a[1] and a[1] < a[2]:
    print("Yes")
else:
    print("No")
def main():
    n, a = list(map(int, input().split()))
    X = list(map(lambda x: int(x) - a, input().split()))
    m = sum([x for x in X if x < 0])
    p = sum([x for x in X if x > 0])
    if p == m == 0:
        print(pow(2, n) - 1)
        exit()
    dp = [[0] * (p - m + 1) for  _ in range(n + 1)]
    dp[0][1 - m] = 1
    for i in range(1, n + 1):
        for j in range(p - m + 1):
            if 0 <= j - X[i - 1] < p - m + 1:
                dp[i][j] = dp[i - 1][j] + dp[i - 1][j - X[i - 1]]
            else:
                dp[i][j] = dp[i - 1][j]
    print(dp[n][1 - m] - 1)

if __name__ == '__main__':
    main()


### FIXED CODE ###

def main():
    n, a = list(map(int, input().split()))
    X = list(map(lambda x: int(x) - a, input().split()))
    b = max(max([x for x in X]) + a, a)
    dp = [[0] * (2 * b * n + 1) for  _ in range(n + 1)]
    dp[0][b * n] = 1
    for i in range(1, n + 1):
        for j in range(2 * b * n + 1):
            if 0 <= j - X[i - 1] < 2 * b * n:
                dp[i][j] = dp[i - 1][j] + dp[i - 1][j - X[i - 1]]
            else:
                dp[i][j] = dp[i - 1][j]
    print(dp[n][b * n] - 1)

if __name__ == '__main__':
    main()
n, m = map(int, input().split())
ans = 10**(n-1)

judge = [0]*m
for i in range(m):
  judge[i] = [int(x) for x in input().split()]

flag = False
whlie ans < 10**n:
  ans = str(ans)
  for i in range(m):
    if ans[judge[i][0]-1] != judge[i][1]:
      break
    if i == m-1:
      print(int(ans))
      flag = True
      break
  if flag:
    break
  ans = int(ans)+1

if ans == 10**n:
  print(-1)

### FIXED CODE ###

import sys

n, m = map(int, input().split())
key = [-1 for i in range(n)]
for i in range(m):
  s, c = map(int, input().split())
  if key[s-1] == -1:
    key[s-1] = c
  else:
    if key[s-1] == c:
      continue
    else:
      print(-1)
      sys.exit()

for i in range(n):
  if key[i] == -1:
    if i != 0:
      key[i] = 0
    elif n == 1:
      key[i] = 0
    else:
      key[i] = 1
  key[i] = str(key[i])

ans = int("".join(key))
if 10**(n-1) <= ans < 10**n:
  print(ans)
elif n == 1 and ans == 0:
  print(0)
else:
  print(-1)
n=int(input())
A=sorted(list(map(int,input().split())))
print(sum(A[n//2:])-sum(A[:n//2]))

  
while len(A)>3:  
  a=min(A)
  b=max(A)
  print("{} {}".format(b,a))
  A.remove(a)
  A.remove(b)
  
  A.append(b-a)
  A.sort()
print("{} {}".format(A[0],A[1]))
print("{} {}".format(A[2],A[0]-A[1]))
    
    

### FIXED CODE ###

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

if n==2:
    print(abs(A[0]-A[1]))
    print(*A)
    exit()
A.sort()
menos=[] ; plus=[]
for i in range(len(A)):
    if A[i]<0:
        menos.append(A[i])
    else:
        plus.append(A[i])
if menos==[]:
    print(sum(plus)-plus[0]*2)
    res=plus[0]
    for i in range(n-2):
        print(res, A[i+1])
        res=res-A[i+1]
    print(A[n-1], res);exit()
        
elif plus==[]:
    print(-sum(menos)+ menos[-1]*2)
    res=menos[-1]
    for i in range(n-1):
        print(res,menos[i])
        res=res-menos[i]
    exit()
    

print(sum(plus)-sum(menos))
m=len(menos); p=len(plus)
if p==1:
    res=plus[-1]
    for i in range(n-1):
        print(res,menos[i])
        res=res-menos[i]
    exit()
if m==1:
    res=menos[0]
    for i in range(n-2):
        print(res, plus[i])
        res=res-plus[i]
    print(plus[-1], res);exit()

Q= plus[1:]+ [menos[0]]
W= menos[1:]+[plus[0]] ;#print(Q,W)

res=W[-1]
for i in range(len(W)-1):
    print(res,W[i])
    res=res-W[i]
rec=Q[-1]
for i in range(len(Q)-1):
    print(rec, Q[i])
    rec=rec-Q[i]
print(res,rec)
def minCandies(boxes,limit):
    out = 0
    for i in range(len(boxes) - 1):
        total = boxes[i] + boxes[i + 1]
        if total > limit:
            out += total - limit
            boxes[i + 1] = boxes[i + 1] - (total - limit)
            if boxes[i + 1] < 0:
                boxes[i + 1] = 0
    return out
    
num_of_boxes, limit = map(int,input().split())
boxes = list(map(int,input().split()))

if limit == 0:
    return sum(boxes)
elif max([a + b for (a,b) in zip(boxes[:-1],boxes[1:])) <= limit:
    return 0
else:
    return minCandies(boxes,limit)


### FIXED CODE ###

def minCandies(boxes,limit):
    out = 0
    for i in range(len(boxes) - 1):
        total = boxes[i] + boxes[i + 1]
        if total > limit:
            out += total - limit
            boxes[i + 1] = boxes[i + 1] - (total - limit)
            if boxes[i + 1] < 0:
                boxes[i + 1] = 0
    return out

num_of_boxes, limit = map(int,input().split())
boxes = list(map(int,input().split()))

if limit == 0:
    print(sum(boxes))
elif max([a + b for (a,b) in zip(boxes[:-1],boxes[1:])]) <= limit:
    print(0)
else:
    print(minCandies(boxes,limit))
s = input().split('')
s.sort()
for i in range(len(s)-1):
  if s[i+1] == s[i]:
    print('no')
    exit()
    
print('yes')


### FIXED CODE ###

s = input()
m = []
for i in s:
  m.append(i)
m.sort()
for i in range(len(m)-1):
  if m[i] == m[i+1]:
    print('no')
    exit()
    
print('yes')
a, s = input().split()
print(s if int(a) < 3200 else "red")

### FIXED CODE ###

a = int(input())
b = input()
print("red" if a < 3200 else b)
a,b = map(int,input().split())
print(a+b if b%a == 0 else b-a)

### FIXED CODE ###

s = input()
m = int(s[5:7])

if m >= 5:
    print("TBD")
else:
    print("Heisei")
print(sorted([int(input()) for i in range(3)]) == [5,5,7])

### FIXED CODE ###

print('YES' if sorted(input().split()) == ['5','5','7'] else 'NO')
import numpy as np

N = int(input())
S = input()

a = np.zeros((N+1, N))

for i in range(N):
    a[i, :i] = 1
a[N] = 1
L = [0] * N
for i in range(N):
    if S[i] == ".":
        # white
        L[i] = 0
    else:
        L[i] = 1
L = np.array(L)
ans = (a - L)**2
ans = ans.sum(axis=1).min()
print(int(ans))

### FIXED CODE ###

N = int(input())
S = input()
L = [0] * N
for i in range(N):
    if S[i] == "#":
        L[i] = 1
    else:
        L[i] = 0

leftblack = 0
rightwhite = len([x for x in L if x == 0])
ans = leftblack + rightwhite

for i in range(N):
    if S[i] == "#":
        leftblack += 1
    else:
        rightwhite -=1
    ans = min(ans, leftblack + rightwhite)
print(ans)
N = int(input())
res = []
for i in range(32):
    digit = (-2) ** i
    if N % (digit * (-2)) != 0:
        N -= digit
        res.append('1')
    else:
        res.append('0')
while res[-1] == '0':
    res.pop()
print(''.join(res[::-1]))

### FIXED CODE ###

N = int(input())
if N == 0:
    print('0')
    exit()
res = []
for i in range(32):
    digit = (-2) ** i
    if N % (digit * (-2)) != 0:
        N -= digit
        res.append('1')
    else:
        res.append('0')
while res[-1] == '0':
    res.pop()
print(''.join(res[::-1]))
H, W = map(int, raw_input().split())
for i in range(W):
    s = raw_input()
    print s
    print s

### FIXED CODE ###

H, W = map(int, raw_input().split())
for i in range(H):
    s = raw_input()
    print s
    print s
Indata = [int(i) for i in input().split()]
W,H,x,y,r = [int(i) for i in Indata]
x_right = x+r
x_left = x-r
y_on = y+r
y_under = y-r

if x_right>W || x_left<0 || y_on>H || y_under<0:
    print("No")
else:
    print("Yes")


### FIXED CODE ###

Indata = [int(i) for i in input().split()]
W,H,x,y,r = [int(i) for i in Indata]
x_right = x+r
x_left = x-r
y_on = y+r
y_under = y-r

if x_right>W or x_left<0 or y_on>H or y_under<0:
    print("No")
else:
    print("Yes")
li_a = list(map(int,input().split()))
li_b = list(map(int,input().split()))
li_c = list(map(int,input().split()))
n = int(input())
li_num=[int(input()) for i in range(n)]

li_card = [li_a, li_b, li_c]

ans = False

#print(li_card)
#print(li_b)
#print(li_c)
#print(n)
#print(li_num)

for m in li_num:
    for i in range(3):
        for j in range(3):
          if li_card[i][j] == m:
              li_card[i][j] = 0

#print(li_card)

for i in range(3):
    if li_card[i][0] == li_card[i][1] == li_card[i][2]:
        ans = True
        break
    elif li_card[i][0] == li_card[i][1] == li_card[i][2]:
        ans = True
        break

if not ans:
  if li_card[0][0] == li_card[1][1] == li_card[2][2]:
      ans = True
  elif li_card[0][2] == li_card[1][1] == licard[2][0]:
      ans = True

if ans:
  print("Yes")
else:
  print("No")

### FIXED CODE ###

li_a = list(map(int,input().split()))
li_b = list(map(int,input().split()))
li_c = list(map(int,input().split()))
n = int(input())
li_num=[int(input()) for i in range(n)]
 
li_card = [li_a, li_b, li_c]
 
ans = False
 
#print(li_card)
#print(li_b)
#print(li_c)
#print(n)
#print(li_num)
 
for m in li_num:
    for i in range(3):
        for j in range(3):
          if li_card[i][j] == m:
              li_card[i][j] = 0
 
for i in range(3):
    if li_card[i][0] == li_card[i][1] == li_card[i][2] == 0:
        ans = True
        break
    elif li_card[0][i] == li_card[1][i] == li_card[2][i] == 0:
        ans = True
        break
 
if not ans:
  if li_card[0][0] == li_card[1][1] == li_card[2][2] == 0:
      ans = True
  elif li_card[0][2] == li_card[1][1] == li_card[2][0] == 0:
      ans = True
 
if ans:
  print("Yes")
else:
  print("No")
n,time=(map(int,input().split()))
c=[]
t=[]
for i in range(n):
    C,T=map(int,input().split())
    c.append(C)
    t.append(T)
#print(c)
#print(t)
if min(t)>time:
    print("TLE")
else:
    p=[]
    for i in range(len(t)):
        if t[i]>time:
            p.append(i)
    #print(p)
    for i in p:
        del t[i]
        del c[i]
    print(min(c))


### FIXED CODE ###

n,time=(map(int,input().split()))
c=[]
t=[]
for i in range(n):
    C,T=map(int,input().split())
    c.append(C)
    t.append(T)
#print(c)
#print(t)
if min(t)>time:
    print("TLE")
else:
    for i in range(len(t)):
        if t[i]>time:
            c[i]=max(c)


    #print(c)
    if len(c)==1:
        print(c[0])
    elif len(c)==2:
        if c[0]>=c[1]:
            print(c[1])
        else:
            print(c[0])
    else:
        print(min(c))
n=int(input())
a=[]
for i in range(n):
    a.append(list(map(int, input().split())))
a.sort(key=lambda x:(-x[2],x[0]+x[1]))
if n==1:
    print(a[0][0],a[0][1],a[0][2])
else:
    for i in range(101):
        for j in range(101):
            ansh=[0]*(n+2)
            for k,(x,y,h) in enumerate(a):
                ansh[k]=h+abs(i-x)+abs(j-y)
                if h==0:ansh[k]=min([ansh[k],max(ansh[:k])])
            if len(set(ansh))==2:
                print(i,j,ansh[1])

### FIXED CODE ###

n=int(input())
if n==1:print('Hello World')
else:
    print(int(input())+int(input()))
N=int(input())

XY=[list(map(int,input().split())) for i in range(N)]

XY.sort()

d={}

for i in range(N-1):
    for j in range(i+1,N):
        if str(XY[j][0]-XY[i][0])+' '+str(XY[j][1]-XY[i][1]) in d:
            d[str(XY[j][0]-XY[i][0])+' '+str(XY[j][1]-XY[i][1])]+=1
        else:
            d[str(XY[j][0]-XY[i][0])+' '+str(XY[j][1]-XY[i][1])]=1
            
print(N-max(d.values()))


### FIXED CODE ###

N=int(input())

XY=[list(map(int,input().split())) for i in range(N)]

XY.sort()

d={}

if N==1:
    print(1)
else:
    for i in range(N-1):
        for j in range(i+1,N):
            if str(XY[j][0]-XY[i][0])+' '+str(XY[j][1]-XY[i][1]) in d:
                d[str(XY[j][0]-XY[i][0])+' '+str(XY[j][1]-XY[i][1])]+=1
            else:
                d[str(XY[j][0]-XY[i][0])+' '+str(XY[j][1]-XY[i][1])]=1
            
    print(N-max(d.values()))
def main():
    n = int(input())
    a=[]
    b=[]
    if n == 1:
        a=int(input())
        print(0)
    else:
        for i in range(n//2):
            a.append(int(input()))
            b.append(int(input()))

        if n % 2 == 1:
            a.append(int(input()))

        a.sort()
        b.sort()
        ta=a[0]
        tb=b[0]
        if ta < tb:
            res = 0
        else:
            tb = ta
            res = 1

        for i in range(1,n//2+1):
            if a[i] < tb:
                ta = tb
                res += 1
            else:
                ta = a[i]
            if b[i] < ta:
                tb =ta
                res += 1
            else:
                tb = b[i]
        if n % 2 == 1:
            if a[-1] < tb:
                res += 1

        print(res)
main()

### FIXED CODE ###

import bisect

def main():
    n = int(input())
    l = [[i,int(input())] for i in range(n)]
    l.sort(key=lambda x:x[1])
    res =0
    for i in range(n):
        if i % 2 != l[i][0] % 2:
            res += 1
    print(res // 2)


main()
n=int(input())
a=list(map(int,input().split()))
b=list(set(a))   
if len(b)==1:
    print(b[0])
    exit()
else:
    c=sorted(b)
    x=1
    while x>0:
        v=c[0]
        for i in range(len(c)):
            if i!=0:
                c[i]=c[i]%v
        c.removed(0)
        c=sorted(list(set(c)))
        if len(c)==1:
            print(c[0])
            exit()
        if c[0]==1:
            x=0
print(1)
            
    




### FIXED CODE ###

n=int(input())
a=list(map(int,input().split()))
b=list(set(a))   
if len(b)==1:
    print(b[0])
    exit()
else:
    c=sorted(b)
    x=1
    while x>0:
        v=c[0]
        for i in range(len(c)):
            if i!=0:
                c[i]=c[i]%v
        while 0 in c:
            c.remove(0)
        c=sorted(list(set(c)))
        if len(c)==1:
            print(c[0])
            exit()
        if c[0]==1:
            x=0
print(1)
x,t=map(int,input())
print(x-t) if x-t>0 else print(0)

### FIXED CODE ###

x,t=map(int,input().split())
print(x-t) if x-t>0 else print(0)
if s[2] == s[3] & 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')
n=input()
print((1+int(n/1000))*1000-n)

### FIXED CODE ###

print((10000-int(input()))%1000)
k,n=map(input(),int.split())
a=list(map(input(),int.split()))

m=0
for i in range(n-1):
    d=a[i+1]-a[i]
    m=max(d,m)
d_last=a[0]+k-a[n-1]
m=max(d_last,m)

ans=k-m
print(ans)

### FIXED CODE ###

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

m=0
for i in range(n-1):
    d=a[i+1]-a[i]
    m=max(d,m)
d_last=a[0]+k-a[n-1]
m=max(d_last,m)

ans=k-m
print(ans)
n=int(input())
INF=float('inf')

h=[]
for _ in range(n):
  a,b,c=map(int,input().split())
  h.append(a,b,c)

dp=[[0 for i in range(3)]for j in range(n+1)]
for i in range(1,n+1):
  dp[i][0]=max(dp[i-1][1]+h[i-1][0],dp[i-1][2]+h[i-1[0]])
  dp[i][1]=max(dp[i-1][0]+h[i-1][1],dp[i-1][2]+h[i-1[1]])
  dp[i][2]=max(dp[i-1][0]+h[i-1][2],dp[i-1][1]+h[i-1[2]])

print(max(dp[n][0],dp[n][1],dp[n][2]))

### FIXED CODE ###

n=int(input())
INF=float('inf')

h=[]
for _ in range(n):
  a,b,c=map(int,input().split())
  h.append([a,b,c])

dp=[[0 for i in range(3)]for j in range(n+1)]
for i in range(1,n+1):
  dp[i][0]=max(dp[i-1][1]+h[i-1][0],dp[i-1][2]+h[i-1][0])
  dp[i][1]=max(dp[i-1][0]+h[i-1][1],dp[i-1][2]+h[i-1][1])
  dp[i][2]=max(dp[i-1][0]+h[i-1][2],dp[i-1][1]+h[i-1][2])

print(max(dp[n][0],dp[n][1],dp[n][2]))
w = list(input())
w.sort()

isBeautiful = True
length = len(w)
for i in range(0, length, 2):
  if w[i] is not w[i + 1]:
    isBeautiful = False
    break

print('Yes' if isBeautiful else 'No')

### FIXED CODE ###

# Hello World program in Python

def isBeautiful(w):
    w = list(w)
    length = len(w)
    
    if length % 2 != 0:
        return False
    
    w.sort()
    for i in range(0, length, 2):
      if w[i] != w[i + 1]:
        return False
    
    return True

w = input().strip()
 
print('Yes' if isBeautiful(w) else 'No')
N = int(input())
A = int(input())
B = int(input())

if N == 1:
  print("Hello World")
elif N == 2:
  print(A+B)

### FIXED CODE ###

N = int(input())

if N == 1:
  print("Hello World")
elif N ==2:
  A = int(input())
  B = int(input())
  print(A+B)
def x_cubic(x):
  print x*x*x;

### FIXED CODE ###

n = input()

print n*n*n;
import math

a,b,c,d = map(int,input().split())

ans = 0

if c % d == 0:
    print((b - a + 1) - (b//d - a//d))
elif d % c == 0:
    print((b - a + 1) - (b//c - a//c))
else:
    tot = c * d // math.gcd(c, d)
    tmp = (b // d - a // d) + (b//c - a//c) - (b // tot - a // tot)
    print(int((b - a + 1) - tmp))

### FIXED CODE ###

import fractions

a,b,c,d = map(int,input().split())

ans = 0

if c % d == 0:
    print((b - a + 1) - ((b)//d - (a-1)//d))
elif d % c == 0:
    print((b - a + 1) - ((b)//c - (a-1)//c))
else:
    tot = c * d // fractions.gcd(c, d)
    tmp = ((b) // d - (a-1) // d) + ((b)//c - (a-1)//c) - ((b) // tot - (a-1) // tot)
    print(int((b - a + 1) - tmp))
from collections import deque
from bisect import bisect_left

INF = 10**9 + 1
N = int(input())
A = list(map(int, input().split()))
G = [[] for i in range(N)]
for i in range(N-1):
    u, v = list(map(int, input().split()))
    if u > v:
        u, v = v, u
    G[u-1].append(v-1)
LIS = [INF] * N
ans = [0] * N

stack = deque()
stack.append((0, None, None)) # (current_node, prev_node, old_val)
while stack:
    c_node, p_node, old_val = stack.pop()

    if c_node == -1:
        LIS[p_node] = old_val
        continue

    a = A[c_node]
    idx = bisect_left(LIS, a)
    old_val = LIS[idx]
    LIS[idx] = a 
    
    ans[c_node] = bisect_left(LIS, INF)

    stack.append((-1, idx, old_val))

    for next_node in G[c_node]:
        stack.append((next_node, c_node, old_val))
    
    print(LIS)

print(*ans, sep="\n")

### FIXED CODE ###

from collections import deque
from bisect import bisect_left

INF = 10**9 + 1
N = int(input())
A = list(map(int, input().split()))
G = [[] for i in range(N)]
for i in range(N-1):
    u, v = list(map(int, input().split()))
    G[u-1].append(v-1)
    G[v-1].append(u-1)

LIS = [INF] * N
ans = [0] * N

stack = deque()
stack.append((0, None, None)) # (current_node, prev_node, old_val)
while stack:
    c_node, p_node, old_val = stack.pop()

    if c_node == -1:
        LIS[p_node] = old_val
        continue

    a = A[c_node]
    idx = bisect_left(LIS, a)
    old_val = LIS[idx]
    LIS[idx] = a 
    
    ans[c_node] = bisect_left(LIS, INF)

    stack.append((-1, idx, old_val))

    for next_node in G[c_node]:
        if next_node != p_node:
            stack.append((next_node, c_node, old_val))

print(*ans, sep="\n")
while True:                                                                  
       (a, op, b) = input().split()
       a = int(a)
       b = int(b)
       
       if op = '?':
             break
       elif op = '+':
                print()
       elif op = '-':
                print()
       elif op = '*':
                print()
       elif op = '/':
                print()

### FIXED CODE ###

while True:
    (a, op, b) = input().split()
    a = int(a)
    b = int(b)

    if op == '?':
        break
    elif op == '+':
        print(a + b)
    elif op == '-':
        print(a - b)
    elif op == '*':
        print(a * b)
    elif op == '/':
        print(a // b)