Harryxun/stf_run huggingface dataset:
import heapq

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

red, blue = a[:n], [-1*i for i in a[2*n:]]
sr, sb = sum(red), sum(blue)

results = [0] * (n + 1)
results[0] = sr
results[-1] = sb

heapq.heapify(red)
heapq.heapify(blue)

for k in range(n, 2*n):
    v = a[k]
    p = heapq.heappushpop(red, v)
    sr += v - p
    results[i-n+1] += sr

for k in range(2*n-1, n-1, -1):
    v = -1 * a[k]
    p = heapq.heappushpop(blue, v)
    sb += v - p
    results[i-n] += sb

print(max(results))


### FIXED CODE ###

import heapq

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

red, blue = a[:n], [-1*i for i in a[2*n:]]
sr, sb = sum(red), sum(blue)

results = [0] * (n + 1)
results[0] = sr
results[-1] = sb

heapq.heapify(red)
heapq.heapify(blue)

for k in range(n, 2*n):
    v = a[k]
    p = heapq.heappushpop(red, v)
    sr += v - p
    results[k-n+1] += sr

for k in range(2*n-1, n-1, -1):
    v = -1 * a[k]
    p = heapq.heappushpop(blue, v)
    sb += v - p
    results[k-n] += sb

print(max(results))
n,m = map(int,input().split())
lis = [list(map(int,input().split())) for i in range(n)]
lis.sort()
cnt = 0
mon = 0
i = 0
if n >= 2:
    while cnt <= m:
        if lis[i][1] + cnt <= m:
            cnt += lis[i][1]
            mon += lis[i][0]*lis[i][1]
            i += 1
        else:
            break
    print(mon + (m-cnt) * lis[i][0])
print(m*lis[0][0])


### FIXED CODE ###

n,m = map(int,input().split())
lis = [list(map(int,input().split())) for i in range(n)]
lis.sort()
cnt = 0
mon = 0
i = 0
if n >= 2:
    while cnt < m:
        if lis[i][1] + cnt < m:
            cnt += lis[i][1]
            mon += lis[i][0]*lis[i][1]
            i += 1
        else:
            break
    print(mon + (m-cnt) * lis[i][0])
else:
    print(m*lis[0][0])
import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60


def main():
    N = int(readline())
    K = int((1 + (8 * N + 1) ** 0.5) / 2)
    if not N == K * (K - 1) // 2:
        print('No')
        return

    num = 1
    ans = [[0] * (K - 1) for _ in range(K - 1)]
    for i in range(K - 1):
        for j in range(i + 1):
            ans[i][j] = ans[j][i] = num
            num += 1
                
    ans.append([ans[i][i] for i in range(K - 1)])
    ans = [f"{K-1} {' '.join(map(str, row))}" for row in ans]
    
    print('Yes')
    print(K)
    print('\n'.join(ans))


if __name__ == '__main__':
    main()


### FIXED CODE ###

import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60


def main():
    N = int(readline())
    K = (1 + (8 * N + 1) ** 0.5) / 2
    if not K.is_integer():
        print('No')
        return
    K = int(K)

    ans = [[] for _ in range(K)]
    num = 1
    for k in range(K):
        for l in range(k + 1, K):
            ans[k].append(num)
            ans[l].append(num)
            num += 1
    print('Yes')
    print(K)
    for row in ans:
        print(K - 1, *row)


if __name__ == '__main__':
    main()
import math,itertools
N,S = [int(hoge) for hoge in input().split()]
X = [int(hoge) - S for hoge in input().split()]
print(list(itertools.accumulate(X,math.gcd))[-1])

### FIXED CODE ###

import fractions,itertools
N,S = [int(hoge) for hoge in input().split()]
X = [int(hoge) - S for hoge in input().split()]
print(abs(list(itertools.accumulate(X,func = fractions.gcd))[-1]))
n, m = map(int, input().split())
sc = []
for i in range(m):
    sc.append(list(map(int, input().split())))
ans = 0
s = set()
keta = set()
for i in range(m):
    preans = sc[i][1]*(10**(n-sc[i][0]))
    if sc[i][0] in keta and preans not in s:
        print(-1)
        break
    elif sc[i][0]  not in keta:
        ans += preans
        s.add(preans)
        keta.add(sc[i][0])
else:
    if n not in keta::
        print(ans + 10**(n-1))
    elif len(str(ans)) == n:
        print(ans)
    else:
        print(-1)


### FIXED CODE ###

n, m = map(int, input().split())
sc = []
for i in range(m):
    sc.append(list(map(int, input().split())))
ans = 0
s = set()
keta = set()
for i in range(m):
    preans = sc[i][1]*(10**(n-sc[i][0]))
    if sc[i][0] in keta and preans not in s:
        print(-1)
        break
    elif sc[i][0]  not in keta:
        ans += preans
        s.add(preans)
        keta.add(sc[i][0])
else:
    if n == 1 and m == 0:
        print(0)
    elif 1 not in keta:
        print(ans + 10**(n-1))
    elif len(str(ans)) == n:
        print(ans)
    else:
        print(-1)
I = int(input())
B = 0
for i in range(I):
	A = input()
    B = A - 1 + B
print(B)

### FIXED CODE ###

I = int(input())
B = 0
count = 0
A = list(map(int,input().split()))
for i in range(I):
    B += A[count] - 1
    count += 1
print(str(B))
if A%C==0 and A%D==0:
    C_div = (B-A+1)//C + 1
else:
    C_div = (B-A+1)//C
if B%C==0 and B%D==0:
    D_div = (B-A+1)//D + 1
else:
    D_div = (B-A+1)//D
if A%(C*D) == 0 and B%(C*D) == 0:
    CD_div = (B-A+1)//(C*D) + 1
else:
    CD_div = (B-A+1)//(C*D)
if C == 1 or D == 1:
    print(0)
else:
    print((B-A+1) - C_div -D_div + CD_div)

### FIXED CODE ###

from fractions import gcd
A,B,C,D = map(int,input().split())
C_div = B//C - (A-1)//C
D_div = B//D - (A-1)//D
CD = (C * D) // gcd(C, D)
CD_div = B//CD - (A-1)//CD
print(B-A+1 - C_div - D_div + CD_div)
a,b,=map(int,input().split()) 
k=int(input()) 
print((max([a,b,c]))*(2**k-1)+sum([a,b,c])) 


### FIXED CODE ###

a,b,c=map(int,input().split())
k=int(input())
print((max([a,b,c]))*(2**k-1)+sum([a,b,c]))
N, K = map(int, input().split())
prices = list(map(int, input().split()))


INF = 10000000000

memo = {}

def minPrice(n, k):
    if (n, k) in memo:
        return memo[(n, k)]
    if n < k:
        return INF
    if k == 0:
        return 0
    if k == 1:
        return min(prices)
    take = prices[n-1] + minPrice(n-1, k-1)
    skip = minPrice(n-1, k)
    ans = min(INF, take, skip)
    memo[(n, k)] = ans
    return ans

print(minPrice(N, K))

### FIXED CODE ###

import sys
sys.setrecursionlimit(100000000)

N, K = map(int, input().split())
prices = list(map(int, input().split()))
INF = 10000000000

memo = {}

def minPrice(n, k):
    if (n, k) in memo:
        return memo[(n, k)]
    if n < k:
        return INF
    if k == 0:
        return 0
    take = prices[n-1] + minPrice(n-1, k-1)
    skip = minPrice(n-1, k)
    ans = min(INF, take, skip)
    memo[(n, k)] = ans
    return ans

print(minPrice(N, K))
N, M = map(int, input().split())
mod = 1e+9+7
flags = [True  for i in range(N)]
for i in range(M):
    tmp = int(input())
    flags[tmp-1] = False
dp = [0 for i in range(N)]
dp[0] = 1
dp[1] = 2

if not flags[0]:
    dp[0] = 0
    dp[1] = 1
if not flags[1]:
    dp[1] = 0
for i in range(2, N):
    if flags[i]:
        dp[i] = int((dp[i-1] + dp[i-2]) % mod)
print(dp[N-1])
    
    

### FIXED CODE ###

N, M = map(int, input().split())
mod = 1e+9+7
flags = [True  for i in range(N+1)]
for i in range(M):
    tmp = int(input())
    flags[tmp-1] = False
dp = [0 for i in range(N+1)]
dp[0] = 1
dp[1] = 2

if not flags[0]:
    dp[0] = 0
    dp[1] = 1
if not flags[1]:
    dp[1] = 0
for i in range(2, N):
    if flags[i]:
        dp[i] = int((dp[i-1] + dp[i-2]) % mod)
print(dp[N-1])
m=[]
cnt=0
for i in range(5):
    x=int(input())
    menu.append(x)
m10=[i % 10 for i in m if i %10 >=1]
t=min(m10)
for i in m:
    if i %10==0:
        cnt += i
    else:
        cnt += ((i//10)+1)*10
print(cnt-10+t)

### FIXED CODE ###

m=[]
cnt=0
for i in range(5):
    x=int(input())
    m.append(x)
m10=[i % 10 for i in m if i %10 >=1]
if m10:
    t=min(m10)
    for i in m:
        if i %10==0:
            cnt += i
        else:
            cnt += ((i//10)+1)*10
    print(cnt-10+t)
else:
    print(sum(m))
S = input()
N = len(S)

if S == S[::-1]:
  if S[:(n-1)//2] == S [(n+1)//2:]:
    print("Yes")
  else:
    print("No")
else:
  print("No")

### FIXED CODE ###

S = input()
N = len(S)

if S == S[::-1]:
  if S[:(N-1)//2] == S [(N+1)//2:]:
    print("Yes")
  else:
    print("No")
else:
  print("No")
D=input()
if D="22":
  print("Christmas Eve Eve Eve")
elif D="23":
  print(Christmas Eve Eve")
elif D="24":
  print("Christmas Eve")
else:
  print'"Christmas")

### FIXED CODE ###

D=input()
if D=="22":
  print("Christmas Eve Eve Eve")
elif D=="23":
  print("Christmas Eve Eve")
elif D=="24":
  print("Christmas Eve")
else:
  print("Christmas")
while True:
    H, W = [int(i) for i in input().split()]
    if H == W == 0:
        break

    for h in range(H):
    for w in range(W):
        if (h + w) % 2 == 0:
            print('#', end='')
        else:
            print('.', end='')

    print()

### FIXED CODE ###

while True:
    H, W = [int(i) for i in input().split()]
    if H == W == 0:
        break

    for h in range(H):
        for w in range(W):
            if (h + w) % 2 == 0:
                print('#', end='')
            else:
                print('.', end='')

        print()
    print()
import sys
sys.setrecursionlimit(1000000)

def dfs(x, y, sym):
	tile[x][y] = '.'
	for i in range(len(DX)):
		nx = x + DX[i]
		ny = y + DY[i]
		if nx>=0 and nx<N and ny>=0 and ny<M and tile[nx][ny]==sym:
			dfs(nx, ny, sym)

def solve():
	res = 0
	for i in range(N):
		for j in range(M):
			if tile[i][j] != '.':
				if tile[i][j] == '@':
					dfs(i, j, '@')
					res += 1
				elif tile[i][j] == '#':
					dfs(i, j, '#')
					res += 1
				elif tile[i][j] == '*':
					dfs(i, j, '*')
					res += 1
	return res
	
res=0	
counter=0
DX = [-1, 0, 1, 0]
DY = [0, -1, 0, 1]
while True:
	counter+=1
	line = input()
	if ' ' in line:
		nums = line.split(' ')
		N = int(nums[0])
		M = int(nums[1])
		tile = [[0 for i in range(N)]for j in range(M)]
		if N==0 and M==0:
			break
	else:
		tile[counter-2] = list(line)
	if (counter-1)==M:
		res = solve()
		counter = 0
		print(res)

### FIXED CODE ###

# -*- coding:utf-8 -*-
import sys
def dfs(x, y, sym):
	tile[x][y] = "."
	for i in range(len(DX)):
		nx = x + DX[i]
		ny = y + DY[i]
		if (0<=nx and nx<N and 0<=ny and ny<M and tile[nx][ny] is sym):
			dfs(nx, ny, sym)

def solve():
	res = 0
	for i in range(N):
		for j in range(M):
			sym = tile[i][j]
			if tile[i][j] != ".":
				if tile[i][j] is sym:
					dfs(i, j, sym)
					res += 1
	print(res)

counter=0
DX = [-1,0,1,0]
DY = [0,-1,0,1]
sys.setrecursionlimit(10**7)
while True:
	line = input()
	if " " in line:
		nums = line.split(" ")
		N = int(nums[0])
		M = int(nums[1])
		tile = [[0 for i in range(M)] for j in range(N)]
	else:
		tile[counter-1] = list(line)
	if N is 0 and M is 0:
		break
	counter += 1
	if counter-1 is N:
		solve()
		counter = 0
from queue imort deque
k=input()
que=deque([i for i in range(1,10)])
for i in range(k):
    x=que.popleft()
    if x%10!=0:
        que.append(10*x+x%10-1)
    que.append(10*x+x%10)
    if que%10!=9:
        que.append(10*x+q%10+1)
print(x)


### FIXED CODE ###

from collections import deque
k=int(input())
q=deque(range(1,10))
for i in range(k):
    x=q.popleft()
    if x%10!=0:
        q.append(10*x+x%10-1)
    q.append(10*x+x%10)
    if x%10!=9:
        q.append(10*x+x%10+1)
print(x)
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

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

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        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 group_count(self):
        return len(self.roots())

    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 =map(int, input().split())
uni = UnionFind(N)

for _ in range(M):
    a,b = map(int, input().split())
    uni.union(a,b)

print(uni.group_count()-1)

### FIXED CODE ###

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

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

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        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 group_count(self):
        return len(self.roots())

    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 = map(int, input().split())
uni = UnionFind(N)

for _ in range(M):
    a,b = map(int, input().split())
    uni.union(a-1,b-1)

print(uni.group_count()-1)
a=input()
b=input()

print(a*a-b)

### FIXED CODE ###


a=int(input())
b=int(input())

print(a*a-b)
s1, s2, s3 = map(int, input().split())
print(s1 + s2 + s3)

### FIXED CODE ###

s1, s2, s3 = map(int, input())
print(s1 + s2 + s3)
s=[0]*25
s[11]=1
d=[0]*13
n=int(input())
a=list(map(int,input().split()))
d=[a.count(i)for i in range(12)]
if max(d[0],d[12])<2 and max(d[1:12])<3:
    if d[12]==1:
        s[0]=1
        s[-1]=1
    t=[]
    for i in range(1,12):
        if d[i]==2:
            s[12-i]=1
            s[12+i]=1
        elif d[i]==1:
            t.append(i)
    k=0
    for i in range(s**len(t)):
        p=bin(i)[2:]
        p="0"*(len(t)-len(p))+p
        r=s[:]
        for j in range(len(t)):
            if p[j]=="0":
                r[12-t[j]]=1
            else:
                r[12+t[j]]=1
        r=2*r
        h=0
        q=0
        ans=0
        for j in r:
            if j==1:
                if h==0:
                    q=0
                    h=1
                else:
                    ans=min(q,ans)
                    q=0
            else:
                q+=1
        k=max(ans,k)
    print(k)
else:
    print(0)

### FIXED CODE ###

s=[0]*24
s[12]=1
n=int(input())
a=list(map(int,input().split()))
d=[a.count(i)for i in range(13)]
d[0]+=1
if max(d[0],d[12])<2 and max(d[1:-1])<3:
    if d[12]==1:
        s[0]=1
    t=[]
    for i in range(1,12):
        if d[i]==2:
            s[12-i]=1
            s[12+i]=1
        elif d[i]==1:
            t.append(i)
    k=0
    for i in range(2**len(t)):
        p=bin(i)[2:]
        p="0"*(len(t)-len(p))+p
        r=s[:]
        for j in range(len(t)):
            if p[j]=="0":
                r[12-t[j]]=1
            else:
                r[12+t[j]]=1
        h=0
        q=0
        ans=30
        for j in 2*r:
            if j==1:
                if h==0:
                    q=1
                    h=1
                else:
                    ans=min(q,ans)
                    q=1
            else:
                q+=1
        k=max(ans,k)
    print(k)
else:
    print(0)
n = input()
x = 1
ans = ' '
while 1:
  if x > n:
     break
  if ( x % 3 == 0 ) or ( '3' in str(x) ):
     ans = ans + x
  x += 1
print ans

### FIXED CODE ###

n = input()
ans = '' 
for i in range(3,n+1):
    if i%3 == 0 or '3' in str(i):
        ans += ' ' + str(i)
print ans
n=input()
for i in range(len(n))
if(n[0] == 1):
  n[0] = 9
else:
  n[0] = 1
if(n[1] == 1):
  n[1] = 9
else:
  n[1] = 1
if(n[2] == 1):
  n[2] = 9
else:
  n[2] = 1


### FIXED CODE ###

n = int(input())
if n == 111:
  print(999)
if n == 119:
  print(991)
if n == 191:
  print(919)
if n == 199:
  print(911)
if n == 911:
  print(199)
if n == 919:
  print(191)
if n == 991:
  print(119)
if n == 999:
  print(111)
a = list(map(int,input()))
a.sort(reverse=True)
print(int(str(a[0])+str(a[1])) + a[2])

### FIXED CODE ###

a = list(map(int,input().split()))
a.sort(reverse=True)
print(int(str(a[0])+str(a[1])) + a[2])
N = int(input())
A = list(map(int,input().split()))
a = 0
if A[0] == 1:
    print(1)
else:
    for i in range(N-1):
        if A[0] 

### FIXED CODE ###

N = int(input())
P = list(map(int,input().split()))
c = P[0]
ans = 1
for i in range(1,N):
    if P[i] < c:
        c = P[i]
        ans += 1
print(ans)
n, m = map(int, input().split())

aisles = [[] for _ in range(n)]
michi = [0] * n
num = [float('INF')] * n
loads = []
for _ in range(m):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    if b < a:
        a, b = b, a
    if a == 0:
        loads.append(b)
    aisles[a].append(b)
    aisles[b].append(a)

if len(loads) == 0:
    print("No")
    exit()


def ap(ll, nm, nu):
    for l in ll:
        if num[l] > nu:
            michi[l] = nm
            num[l] = nu
            ap(aisles[l], l, nu + 1)


ap(loads, 0, 1)

print("Yes")
for mi in michi[1:]:
    print(mi + 1)

### FIXED CODE ###

import sys
from collections import deque
sys.setrecursionlimit(10 ** 8)

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

aisles = [[] for _ in range(n)]
visited = [1] + [0] * (n - 1)
for _ in range(m):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    aisles[a].append(b)
    aisles[b].append(a)

q = deque([0])

while q:
    v = q.pop()
    for nex in aisles[v]:
        if visited[nex] != 0:
            continue
        visited[nex] = v + 1
        q.appendleft(nex)

print("Yes")
for point in visited[1:]:
    print(point)
# B - KEYENCE String
S = input()
K = list('keyence')
count = 0
idx_k = 0
is_NG = False

for s in S:
    if K[idx_k]==s:
        if is_NG == True:
            is_NG = False    
        idx_k += 1
    else:
        if is_NG == False:
            count +=1
            is_NG = True
  
if count<=1 and idx_k==7:
    print('YES')
else:
    print('NO')


### FIXED CODE ###

# B 
si = lambda: input()
ni = lambda: int(input())
nm = lambda: map(int, input().split())
nl = lambda: list(map(int, input().split()))
s=si()
n=len(s)
for i in range(n):
    for j in range(n-i+1):
        t=s
        t=t[:j]+t[j+i+1:]
        if t=='keyence':
            print('YES')
            exit()
print('NO')
N, L = map(int, input().split())

class Node:
    def __init__(self, depth=0):
        self.parent = None
        self.children = {}
        self.depth = depth
    def add(self, n):
        self.children[n] = Node(self.depth+1)
    def has(self, n):
        return n in self.children
t = Node()
for i in range(N):
    s = input()
    nt = t
    for c in s:
        if not nt.has(c):
            nt.add(c)
        nt = nt.children[c]

def solve(node):
    global N, L
    ans = 0
    f = lambda d: (L - d) & -(L - d)
    if node.has('0'):
        ans ^= solve(node.children['0'])
    else:
        ans ^= f(node.depth)
    if node.has('1'):
        ans ^= solve(node.children['1'])
    else:
        ans ^= f(node.depth)
    return ans

ans = solve(t)
if ans == 0:
    print('Bob')
else:
    print('Alice')


### FIXED CODE ###

import sys
N, L = map(int, input().split())
sys.setrecursionlimit(200000)

class Node:
    def __init__(self, depth=0):
        self.parent = None
        self.children = {}
        self.depth = depth
    def add(self, n):
        self.children[n] = Node(self.depth+1)
    def has(self, n):
        return n in self.children
t = Node()
for i in range(N):
    s = input()
    nt = t
    for c in s:
        if not nt.has(c):
            nt.add(c)
        nt = nt.children[c]

def solve(node):
    global N, L
    ans = 0
    f = lambda d: (L - d) & -(L - d)
    if node.has('0'):
        ans ^= solve(node.children['0'])
    else:
        ans ^= f(node.depth)
    if node.has('1'):
        ans ^= solve(node.children['1'])
    else:
        ans ^= f(node.depth)
    return ans

ans = solve(t)
if ans == 0:
    print('Bob')
else:
    print('Alice')
# A - Colorful Subsequence
import numpy as np

N,S = int(input()),input()
count = np.zeros(26)

for i in range(N):
    count[ord(S[i])-ord('a')] += 1

ans = 1
for i in range(N):
    ans *= (count[i]+1)

print((ans-1)%(10**9+7))

### FIXED CODE ###

# A - Colorful Subsequence
import numpy as np

N,S = int(input()),input()
count = np.zeros(26)

for i in range(N):
    count[ord(S[i])-ord('a')] += 1

ans = 1
D =10**9+7

for i in range(26):
    ans = int((ans*(count[i]+1))%D)

print(ans-1)
# -*- coding: utf-8 -*-
a = int(input())
b = list(int(input().split()))
count = list()
for i in range(a):
  count[i-1] = 0
  while b[i-1] % 2 == 0:
    b[i-1] = b[i-1] / 2
    count[i-1] += 1
print(min(count))

### FIXED CODE ###

# -*- coding: utf-8 -*-
a = str(input())
list(a)
count = 0
if a[0] == "1":
  count += 1
if a[1] == "1":
  count += 1
if a[2] == "1":
  count += 1
print(count)
import sys
sys.setrecursionlimit(10000)

s = 'HAKUTYUMU' + input()


def check(s):
    next_s = s

    if s[-5:] == 'dream':
        next_s = s[:-5]
    if s[-7:] == 'dreamer':
        next_s = s[:-7]
    if s[-5:] == 'erase':
        next_s = s[:-5]
    if s[-6:] == 'eraser':
        next_s = s[:-6]

    if s == 'HAKUTYUMU':
        return True

    if s == next_s:
        return False

    return check(next_s)


if check(s):
    print('YES')
else:
    print('NO')


### FIXED CODE ###

import sys
sys.setrecursionlimit(10000)

s = 'HAKUTYUMU' + input()


while s != 'HAKUTYUMU':
    next_s = s

    if s[-5:] == 'dream':
        next_s = s[:-5]
    if s[-7:] == 'dreamer':
        next_s = s[:-7]
    if s[-5:] == 'erase':
        next_s = s[:-5]
    if s[-6:] == 'eraser':
        next_s = s[:-6]

    if s == next_s:
        print('NO')
        exit()

    s = next_s

print('YES')
import sys
read=sys.stdin.buffer.read
import numpy as np

n,k=map(int,input().split())
A=np.array(read().split(),np.int64)
F=np.array(read().split(),np.int64)
A.sort()
F.sort()
F=F[::-1]
    
def ok(x): #チームの成績をxとするような修行の仕方が存在するか
    B=A-x//F
    return sum(B[B>0])<=k
    
l=-1
r=10**18
while r-l>1:
    mid=(r+l)//2
    if ok(mid):
        r=mid
    else:
        l=mid
print(r)  

### FIXED CODE ###

import numpy as np
N, K = map(int, input().split())
A = np.array(input().split(), dtype=np.int64)
F = np.array(input().split(), dtype=np.int64)
A = np.sort(A)
F = np.sort(F)[::-1]


def C(x):
    train = np.maximum(0, A - x // F).sum()
    return train <= K


left = -1
right = 10 ** 12 + 1
while right > left + 1:
    mid = (right + left) // 2
    if C(mid):  # 食べきれる場合
        right = mid
    else:
        left = mid

ans = right
print(ans)
n=int(input())
x=list(map(int,input().split()))

x.sort()
ans=0

for i range(n):
  ans=+x[i*2]
    
print(ans)


### FIXED CODE ###

N = int(input())

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

L.sort()

ans = 0

for i in range(N):
    ans = ans + L[i*2]
    
print(ans)
n = int(input())
S=[]
for i in range(n):
    S.append(input())

ans = []
#チェックする文字をS[0]から取得
for i in S[0]:
    #すべてのSについてチェックする文字の存在判定
    hantei=[]
    for j in range(1,n):
        hantei.append(S[j].find(i)) #存在する位置をリストに追加
    if min(hantei) >= 0: ans.append(i)

#辞書順にする
ans.sort()
#文字列にする
ans2 = ''.join(ans)
print(ans2)

### FIXED CODE ###

a, b, c = input().split()

a = int(a)
b = int(b)
c = int(c)

print('YES') if b-a == c-b else print('NO')
print ['NO','YES'][input()in'753']

### FIXED CODE ###

print('YES'if input()in '753'else 'NO')