Harryxun/stf_run huggingface dataset:
class UnionFind():
    def __init__(self,n):
        self.n=n
        self.parents = [i for i in range(n+1)]
        self.size = [1]*(n+1)
    def find(self,x):
        if self.parents[x]==x:
            return x
        else:
            self.parents[x]=self.find(self.parents[x])
            return self.parents[x]
    def unite(self,x,y):
        xRoot = self.find(x)
        yRoot = self.find(y)
        if xRoot == yRoot:
            return
        if self.size[xRoot]>self.size[yRoot]:
            self.parents[yRoot] = xRoot
        else:
            self.parents[xRoot] = yRoot
            if self.size[xRoot] == self.size[yRoot]:
                self.size[yRoot]+=1

N = int(input())
nodesX = []
nodesY = []
for i in range(1,N+1):
    x,y = map(int,input().split())
    nodesX.append((x,i))
    nodexY.append((y,i))
nodesX.sort()
nodesY.sort()
edges = []
for i in range(1,N):
    edges.appednd(nodesX[i][0]-nodesX[i-1][0],nodesX[i][1],nodesX[i-1][1])
    edges.appednd(nodesY[i][0]-nodesY[i-1][0],nodesY[i][1],nodesY[i-1][1])
tree = UnionFind(N)
cost = 0
for w,s,t in edges:
    if tree.find(s)!= tree.find(t):
        tree.unite(s,t)
        cost += w
print(cost)



### FIXED CODE ###

def main():
    import sys
    sys.setrecursionlimit(2000000)
    input = sys.stdin.readline

    class UnionFind():
        def __init__(self,n):
            self.n=n
            self.parents = [i for i in range(n+1)]
            self.size = [1]*(n+1)
        def find(self,x):
            if self.parents[x]==x:
                return x
            else:
                self.parents[x]=self.find(self.parents[x])
                return self.parents[x]
        def unite(self,x,y):
            xRoot = self.find(x)
            yRoot = self.find(y)
            if xRoot == yRoot:
                return
            if self.size[xRoot]>self.size[yRoot]:
                self.parents[yRoot] = xRoot
            else:
                self.parents[xRoot] = yRoot
                if self.size[xRoot] == self.size[yRoot]:
                    self.size[yRoot]+=1

    N = int(input())
    nodesX = []
    nodesY = []
    for i in range(1,N+1):
        x,y = map(int,input().split())
        nodesX.append((x,i))
        nodesY.append((y,i))
    nodesX.sort()
    nodesY.sort()
    edges = []
    for i in range(1,N):
        edges.append((nodesX[i][0]-nodesX[i-1][0],nodesX[i][1],nodesX[i-1][1]))
        edges.append((nodesY[i][0]-nodesY[i-1][0],nodesY[i][1],nodesY[i-1][1]))
    edges.sort()
    tree = UnionFind(N)
    cost = 0
    for w,s,t in edges:
        if tree.find(s)!= tree.find(t):
            tree.unite(s,t)
            cost += w
    print(cost)

main()
import math
N=int(input())
if isinstance(i(N+1)/1.08, int):
  X=math.floor((N+1)/1.08))-1
else:
  X=math.floor((N+1)/1.08))
if X < N/1.08:
  print(":(")
else:
  print(X)

### FIXED CODE ###

import math
N=int(input())
if ((N+1)/1.08).is_integer():
  X=math.floor((N+1)/1.08)-1
else:
  X=math.floor((N+1)/1.08)
if X < N/1.08:
  print(":(")
else:
  print(X)
import numpy as np
N = int(input())
S = input()
R_sum = np.zeros(N, dtype=np.int16)
G_sum = np.zeros(N, dtype=np.int16)
B_sum = np.zeros(N, dtype=np.int16)
rcnt = 0
gcnt = 0
bcnt = 0
cnt = 0
for c in S:
    if c == 'R':
        rcnt += 1
    elif c == 'G':
        gcnt += 1
    elif c == 'B':
        bcnt += 1
    R_sum[cnt] = rcnt
    G_sum[cnt] = gcnt
    B_sum[cnt] = bcnt
    cnt += 1

anssum = 0
for i in range(N):
    for j in range(i + 1, N):
        if S[i] == S[j]: continue
        clist = [S[i], S[j]]
        diff_idx = j - i

        if not ('R' in clist):
            anssum += (R_sum[N-1] - R_sum[j-1])
            if diff_idx + j < N:
                if S[diff_idx + j] == 'R':
                    anssum -= 1
        elif not ('G' in clist):
            anssum += (G_sum[N-1] - G_sum[j-1])
            if diff_idx + j < N:
                if S[diff_idx + j] == 'G':
                    anssum -= 1
        elif not ('B' in clist):
            anssum += (B_sum[N-1] - B_sum[j-1])
            if diff_idx + j < N:
                if S[diff_idx + j] == 'B':
                    anssum -= 1
print(anssum)


### FIXED CODE ###

N = int(input())
S = input()
R_sum = [0]*N
G_sum = [0]*N
B_sum = [0]*N
rcnt = 0
gcnt = 0
bcnt = 0
cnt = 0
for c in S:
    if c == 'R':
        rcnt += 1
    elif c == 'G':
        gcnt += 1
    elif c == 'B':
        bcnt += 1
    R_sum[cnt] = rcnt
    G_sum[cnt] = gcnt
    B_sum[cnt] = bcnt
    cnt += 1

anssum = 0
for i in range(N):
    for j in range(i + 1, N):
        if S[i] == S[j]: continue
        clist = [S[i], S[j]]
        diff_idx = j - i

        if not ('R' in clist):
            anssum += (R_sum[N-1] - R_sum[j-1])
            if diff_idx + j < N:
                if S[diff_idx + j] == 'R':
                    anssum -= 1
        elif not ('G' in clist):
            anssum += (G_sum[N-1] - G_sum[j-1])
            if diff_idx + j < N:
                if S[diff_idx + j] == 'G':
                    anssum -= 1
        elif not ('B' in clist):
            anssum += (B_sum[N-1] - B_sum[j-1])
            if diff_idx + j < N:
                if S[diff_idx + j] == 'B':
                    anssum -= 1
print(anssum)
a=int(input())
b=int(input())
c=int(input())
d=int(input())
e=int(input())
k=int(input())
a.b=b-a
a.c=c-a
a.d=d-a
a.e=e-a
b.c=c-b
b.d=d-b
b.e=e-b
c.d=d-c
c.e=e-c
d.e=e-d
if a.b<=k and a.c<=k and a.d<=k and a.e<=k and b.c<=k and b.d<=k and b.e<=k and c.d<=k and c.e<=k and d.e<=k:
  print('Yay!')
else:
  print(':(')

### FIXED CODE ###

a=int(input())
b=input()
c=input()
d=input()
e=int(input())
k=int(input())
print('Yay!' if (e-a)<=k else ':(')
import bisect
N = int(input())
ABC = [sorted(list(map(int,input().split()))) for i in range(3)]

for b in ABC[1]:
  ans += bisect.bisect_left(ABC[0],b)*(N-bisect.bisect_right(ABC[2],b))
print(ans)


### FIXED CODE ###

import bisect
N = int(input())
ABC = [sorted(list(map(int,input().split()))) for i in range(3)]

ans = 0
for b in ABC[1]:
  ans += bisect.bisect_left(ABC[0],b)*(N-bisect.bisect_right(ABC[2],b))
print(ans)
def d_blue_and_red_balls(N, K, MOD=10**9 + 7):
    from math import factorial

    def comb(n, r):
        if r == n or r == 0:
            return 1
        if r > n:
            return 0
        return factorial(n) // (factorial(r) * factorial(n - r))

    ans = [comb(N - K + 1, i) * comb(K - 1, i - 1) % MOD for i in

N, K = [int(i) for i in input().split()]
print(d_blue_and_red_balls(N, K))

### FIXED CODE ###

def d_blue_and_red_balls(N, K, MOD=10**9 + 7):
    class Combination(object):
        """
        順列組み合わせ
        参考: https://harigami.net/contents?id=5f169f85-5707-4137-87a5-f0068749d9bb
        """
        __slots__ = ["mod", "factorial", "inverse"]

        def __init__(self, max_n: int = 10**6, mod: int = 10**9 + 7):
            fac, inv = [1], []
            fac_append, inv_append = fac.append, inv.append

            for i in range(1, max_n + 1):
                fac_append(fac[-1] * i % mod)

            inv_append(pow(fac[-1], mod - 2, mod))

            for i in range(max_n, 0, -1):
                inv_append(inv[-1] * i % mod)

            self.mod, self.factorial, self.inverse = mod, fac, inv[::-1]

        def combination(self, n, r):
            if r == n or r == 0:
                return 1
            if r > n:
                return 0
            return self.factorial[n] * self.inverse[r] * self.inverse[n - r] % self.mod

    comb = Combination(max(N - K + 1, K - 1))
    ans = [comb.combination(N - K + 1, i) * comb.combination(K - 1, i - 1) %
           MOD for i in range(1, K + 1)]
    return '\n'.join(map(str, ans))

N, K = [int(i) for i in input().split()]
print(d_blue_and_red_balls(N, K))
s = input()
if s[2]==s[3]:
    if s[4]==s[5]:
        print("Yes")
    else:
        print("No")
else:
    print("No")


### FIXED CODE ###

s = input()
if s[2]==s[3]:
    if s[4]==s[5]:
        print("Yes")
    else:
        print("No")
else:
    print("No")
n = int(input())
low = 0
hi = 10**9

li = []
lin = []

for _ in range(n):
    x,y,h = map(int,input().split())
    if h != 0:
        li.append((x,y,h))
    lin.append((x,y,h))

for i in range(101):
    for j in range(101):
        flag = True
        h = li[0][2]+abs(i-li[0][0])+abs(j-li[0][1])
        for a,b,c in lin:
            if max(h-abs(i-a)-abs(j-b),0) != c:
                flag = False
                break
        if flag:
            print(i,j,h)
            exit()

### FIXED CODE ###

from sys import stdin
import bisect

n = int(stdin.readline().rstrip())

if n == 1:
    print("Hello World")
    exit()

li = [int(stdin.readline().rstrip()) for _ in range(n)]

print(sum(li))
import math

N = int(input())
num_list = [0] + [0] * math.sqrt(N)  # 0~sqrt(N)
pn_list = []
for i in range(2, int(math.sqrt(N))+2):
    if num_list[i] == 0:
        pn_list.append(i)
        num_list[i::i] = [1] * len(num_list[i::i])

count = 0
for pn in pn_list:
    e = 1
    while N%(pn**e)==0 and N>=(pn**e):
        N //= (pn**e)
        e += 1
        count += 1
if count==0 and N>1:  # count==0のとき，Nは素数のため
    count += 1
print(count)

### FIXED CODE ###

N = int(input())

div_counts = []
for i in range(2, int(N**0.5)+1):
  count = 0
  while N%i == 0:
    count += 1
    N //= i
    if N == 1:
      break
  div_counts.append(count)
  
if N != 1:
  div_counts.append(1)

ans = 0
for count in div_counts:
  for i in range(1, count+1):
    if count >= i:
      ans += 1
      count -= i
print(ans)
a, b= map(int, input().split())
x = False
for i in [a, b, a+b]:
  if i%3 == 0:
    x = True
print("Possible" if x else "Impossible"

### FIXED CODE ###

a, b= map(int, input().split())
if a%3 == 0:
  print("Possible")
elif b%3 == 0:
  print("Possible")
elif (a+b)%3 == 0:
  print("Possible")
else:
  print("Impossible")
s = input()
cnt = 0
ans = []
for i in range(0, len(s) - 3):
    j = i
    num = ''
    while j < len(s):
        juhuku = 0
        num += s[j]
        if int(num) % 2019 == 0 and num != '0':
            #print(i, j)
            if j not in ans:
                ans.append(j)
            juhuku = ans.count(i - 1)
            cnt += 1 + juhuku
        j += 1
print(cnt)

### FIXED CODE ###

s, w = map(int, input().split())
if s <= w:
    print('unsafe')
else:
    print('safe')
a,b,c,d =map(int,raw_input().split())

if c == a/2 and d == b/2:
    print a*b/2,1
else:
    print a*b/2,0

### FIXED CODE ###

a,b =map(int,raw_input().split())
if a < b:
    print(0)
else:
    print(10)
#include <bits/stdc++.h>
using namespace std;
double memo[305][305][305];
int n;

double dp(int i, int j, int k)
{
    if (i==0 && j==0 && k ==0) return 0.0;
    if (memo[i][j][k]!=-1) return memo[i][j][k];

    double res = 0;
    if (i>0) res += dp(i-1,j+1,k)*i;
    if (j>0) res += dp(i,j-1,k+1)*j;
    if (k>0) res += dp(i,j,k-1)*k;
    res += n;
    res *= 1.0/(i+j+k);
    return memo[i][j][k] = res;
}
signed main() {
    cin >>n;
    int cnt[5];
    for(int i = 0; i < n; i++)
    {
        int a;cin >>a;
        cnt[a]++;
    }
    for(int i = 0; i < 303; i++)
    {
        for(int j = 0; j < 303; j++)
        {
            for(int k = 0; k < 303; k++)
            {
                memo[i][j][k] = -1.0;
            }
            
        }
        
    }
    
    cout << fixed;
    cout << std::setprecision(10) << dp(cnt[3],cnt[2],cnt[1])<<endl;
    
    return 0;
}

### FIXED CODE ###

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

dp = [[[0 for _ in range(301)]for __ in range(301)]for ___ in range(301)]

for i in range(n+1):
    for j in range(n+1):
        for k in range(n+1):
            cnt = i + j + k
            if cnt == 0 or cnt > n :continue
            if i == 0 and j ==0 and k ==1:
                dp[i][j][k] = 1
                continue
            if k > 0:
                dp[i][j][k] += (1+dp[i][j][k-1] * cnt/(cnt-1))*k/cnt
            if j > 0:
                dp[i][j][k] += (1+dp[i][j-1][k+1])*j/cnt
            if i > 0:
                dp[i][j][k] += (1+dp[i-1][j+1][k])*i/cnt 
            
print(dp[a.count(3)][a.count(2)][a.count(1)])
n, k = map(int, input().split())
a = [int(i) for i in input().split()]

lst = []
visit_now = 1

while True:
    if visit_list[visit_now - 1] == 1:
        break
    visit_list[visit_now - 1] = 1
    lst.append(visit_now)
    visit_now = a[visit_now - 1]


start = lst.index(visit_now)
loop_num = n - start - 1
lst = lst[start:]

k -= start
k %= loop_num

print(lst[k])
# print(lst, loop_num, loop_list, k)


### FIXED CODE ###

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


lst = []
visit_now = 1
visit_list = [-1] * (n + 1)
cnt = 0

while visit_list[visit_now - 1] == -1:
    visit_list[visit_now - 1] = cnt
    lst.append(visit_now)
    visit_now = a[visit_now - 1]
    cnt += 1

start = visit_list[visit_now - 1]
loop_num = cnt - start

if k <= start:
    ans = lst[k]
else:
    k -= start
    k %= loop_num
    ans = lst[start + k]

print(ans)
import sys

# import re
import math
import collections
# import decimal
# import bisect
# import itertools
import fractions
# import functools
import copy
# import heapq
import decimal
# import statistics
import queue

sys.setrecursionlimit(10000001)
INF = 10 ** 16
MOD = 10 ** 9 + 7

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


# ===CODE===


def main():
    h, w, a, b = ns()

    flg1 = h * a == w * b
    flg2 = w % a == 0 and h % b == 0
    flg3 = a == 0 or b == 0
    if not(flg1 and flg2) and not flg3:
        print("No")
        exit(0)

    if b == 0:
        ans = "0" * a + "1" * (w - a)
        print(ans)
    elif a == 0:
        for _ in range(h):
            print("1" * w)
    else:
        for i in range(int(h // b)):
            for j in range(b):
                ans = "1" * a*i + "0" * a + "1" * (w - a - a * i)
                print(ans)


if __name__ == '__main__':
    main()


### FIXED CODE ###

import sys

# import re
import math
import collections
# import decimal
# import bisect
# import itertools
import fractions
# import functools
import copy
# import heapq
import decimal
# import statistics
import queue

sys.setrecursionlimit(10000001)
INF = 10 ** 16
MOD = 10 ** 9 + 7

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


# ===CODE===


def main():
    h, w, a, b = ns()

    for i in range(h):
        if i < b:
            print("0" * a + "1" * (w - a))
        else:
            print("1" * a + "0" * (w - a))


if __name__ == '__main__':
    main()
while 1:
   x, y = input()
   if x == y:
      break
   if x < y:
      print (x y)
   if x > y:
      print (y x)

### FIXED CODE ###

while 1:
   x, y = map(int, raw_input().split())
   if x == 0 and y == 0:
      break
   elif x <= y:
      print "%d %d" %(x, y)
   elif x > y:
      print "%d %d" %(y, x)
A, B, K = map(int, input().split())
if A <= K:
	a = 0
	if B <= K - A:
		b = 0
	else:
		b = B - (K - A)
else:
	a = A - K
print(a, b)

### FIXED CODE ###

A, B, K = map(int, input().split())
if A <= K:
	a = 0
	if B <= K - A:
		b = 0
	else:
		b = B - (K - A)
else:
	a = A - K
	b = B
print(a, b)
Cube = [int(i) for i in input().split(" ")]
# 一番長い辺で切れば断面の数は最小
L = max(Cube)
plane = [i for i in Cube if i!=L]
if len(plane)==0:
    A = L
    B = L
elif len(plane)==1:
    A = plane[0]
    B = L
else:
    A,B = map(int,plabe)
print(abs((A*B*(L//2))-(A*B*(L-(L//2)))))

### FIXED CODE ###

Cube = [int(i) for i in input().split(" ")]
# 一番長い辺で切れば断面の数は最小
L = max(Cube)
plane = [i for i in Cube if i!=L]
if len(plane)==0:
    A = L
    B = L
elif len(plane)==1:
    A = plane[0]
    B = L
else:
    A,B = map(int,plane)
print(abs((A*B*(L//2))-(A*B*(L-(L//2)))))
n = int(input())
k = 0
alist = []
while k < n :
  a = list(map(int,input().split()))
  alist.append(a)
  k += 1
#
for blist in alist :
  b = blist[0]
  blist.remove(b)
#
anslist = []
ans = 0
i_roop = len(alist[0])
while i_roop >= 0 :
  if i_roop == 0 :
    break
  else:
    c = min(alist[0])
    for j in range(1,n) :
      if c in alist[j] :
        anslist.append("OK")
        if j == n-1 :
          if len(anslist) == n-1 :
            ans += 1
      else:
        if j == n-1 :
          if len(anslist) == n-1 :
            ans += 1
        break
    alist[0].remove(c)
  anslist = []
  i_roop += -1

print(ans)

### FIXED CODE ###

n,m = map(int,input().split())
k = 0
alist = []
while k < n :
  a = list(map(int,input().split()))
  alist.append(a)
  k += 1
#
if n == 1 :
  print(len(alist[0])-1)
else:
  for blist in alist :
    b = blist[0]
    blist.remove(b)
#
  anslist = []
  ans = 0
  i_roop = len(alist[0])
  while i_roop >= 0 :
    if i_roop == 0 :
      break
    else:
      c = min(alist[0])
      for j in range(1,n) :
        if c in alist[j] :
          anslist.append("OK")
          if j == n-1 :
            if len(anslist) == n-1 :
              ans += 1
        else:
          if j == n-1 :
            if len(anslist) == n-1 :
              ans += 1
          break
      alist[0].remove(c)
    anslist = []
    i_roop += -1

if n != 1 :
  print(ans)
l=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51,51]
k=int(input())
print(l[k+1])

### FIXED CODE ###

l=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51,51]
k=int(input())
k-=1
print(l[k])
n, a, b = list(map(int, input().split(' ')))
ab = ''

while len(ab) <= n:
    ab = ab + ('a' * a) + ('b' * b)
    if len(ab) == 0:
        break

print(ab[:n].count('a'))


### FIXED CODE ###

n, a, b = list(map(int, input().split(' ')))
blueBall = 0
answer = []

if a == 0:
    print(a)
else:
    if n / (a + b):
        answer = divmod(n, (a + b))
        blueBall = answer[0] * a
        if answer[1] > a:
            blueBall = blueBall + a
        else:
            blueBall = blueBall + answer[1]

        print(blueBall)
    else:
        if n <= a:
            print(n)
        elif n <= b:
            print(a)
n=int(input())
a=list(map(int,input().split()))
l=[]
for i in range(max(a)+2):
  l.append(0)
for j in range(n):
  l[a[j]]+=1
m=[]
for i in range(max(a)):
  m.append(l[i-1]+l[i]+l[i+1])
print(max(m))

### FIXED CODE ###

n=int(input())
a=list(map(int,input().split()))
l=[]
for i in range(max(a)+3):
  l.append(0)
for j in range(n):
  l[a[j]+1]+=1
m=[]
for i in range(1,max(a)+2):
  m.append(l[i-1]+l[i]+l[i+1])
print(max(m))
N, Q = [int(item) for item in input().split()]

tree_list = [input() for _ in range(1,N)]
tree_list_int = [list(map(int,i.split())) for i in tree_list]
action_list = [input() for _ in range(Q)]
action_list_int = [list(map(int, i.split())) for i in action_list]

class Node:
    def __init__(self, data):
        self.data = data
        self.cnt = 0
        self.child = []


class tree:
    def __init__(self, N, tree_list_int):
        self.node_list = [Node(i) for i in range(1,N+1)]

        for i, j in tree_list_int:
            self.node_list[i-1].child.append(self.node_list[j-1])


    def adder(self, node, val):
        node.cnt += val

        if not node.child:
            return
        else:
            for next_child in node.child:
                self.adder(next_child, val)

                

        
ins=tree(N, tree_list_int)

for pos, val in action_list_int:
    ins.adder(ins.node_list[pos-1], val)

res = str(ins.node_list[0].cnt)
for i in range(1, N):
    res += ' ' + str(ins.node_list[i].cnt)

print(res)

### FIXED CODE ###

N, Q = [int(item) for item in input().split()]

tree_list = [input().split() for j in range(1, N)]

query_list = [input().split() for k in range(Q)]
query_list_int = [[int(k) for k in i] for i in query_list]

val_list = [0 for _ in range(N)]

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

for a, b in tree_list:
    a, b = int(a)-1, int(b) -1
    linked_node_list[a].append(b)
    linked_node_list[b].append(a)


for index, val in query_list_int:
    val_list[index-1] += val

stack = [0]
parent = [0] * (N+1)

while True:
    v=stack.pop()
    for child in linked_node_list[v]:
        if child != parent[v]:
            parent[child] = v
            stack.append(child)
            val_list[child] += val_list[v]
    if not stack:
        break

print(*val_list)
raw_int(input())**3

### FIXED CODE ###

x=int(input())
print(x**3)
import sys  
import numpy as np
input = sys.stdin.readline
N = int(input())
a = list(map(int, input().split()))
k = [0] * (max(a)+1)

for p in a:
    k[p] += 1
ans = 0
for q,r,s in zip(k, k[1:] + k[2:]):
    ans = max(ans, q+r+s)

print(ans)

### FIXED CODE ###


import sys  
import numpy as np
input = sys.stdin.readline
N = int(input())
a = list(map(int, input().split()))
k = [0] * max(3,(max(a)+1))

for p in a:
    k[p] += 1
ans = 0
for q,r,s in zip(k, k[1:] , k[2:]):
    ans = max(ans, q+r+s)

print(ans)
o=list(input())
e=list(input())
for x,y in zip(x,y):print(x,y,end="") 

### FIXED CODE ###

o=list(input())
e=list(input())+[""]
for x,y in zip(o,e):print(x+y,end="")
A, B, C, K = map(int, input().split())
if A >= K:
    print(A)
elif (A + B) >= K:
    print(A)
elif (A + B + C) > K:
    print(A - (K - A - B)
elif (A + B + C) == K:
    print(A - C)

### FIXED CODE ###

A, B, C, K = map(int, input().split())
if A >= K:
    print(K)
elif (A + B) >= K:
    print(A)
elif (A + B + C) > K:
    print(A - (K - A - B))
elif (A + B + C) == K:
    print(A - C)
n = 0
while 2**n <= int(input()):
  n += 1
print(2**(n-1))
  

### FIXED CODE ###

a = int(input())
n = 0
while 2**n <= a:
  n += 1
print(2**(n-1))
N = int(input())
A = list(map(int, input().split())) 
s = [0]*(N-1)
 
for n in range(N-1):
  s[n] = A[n] - A[n+1]
  if s[n] <= 0: 
    continue
  else:
    A[n+1] += s[n]
 
print(min(s))

### FIXED CODE ###

N = int(input())
A = list(map(int, input().split())) 
ans = 0
 
for n in range(N-1):
  t = A[n] - A[n+1]
  if t <= 0: continue
  else:
    A[n+1] += t
    ans += t

print(ans)
a, b = map(int, input().split())
for i in range(30):
  if (a + (a-1) * i) >= b:
    break
print(i+1)

### FIXED CODE ###

# coding:utf-8
a = list(input())
b = list(input())
count = 0

for i in range(3):
  if a[i] == b[i]:
    count += 1
    
print(count)
a = int(input())
b = int(input())
c = a*b

if c%2 == 0:
  print ("Even")
else:
  print ("Odd")

### FIXED CODE ###

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

if c % 2 == 0:
    print("Even")
else:
    print("Odd")
N=int(input())
T=[int(i) for i in raw_input().split()]
M=int(input())
PX=[]
for i in range(M):
    p,x=map(int,raw_input().split())
    time=sum(T)-T[p-1]+x
    print(time)


### FIXED CODE ###

N=int(input())
T=list(map(int,input().split()))
M=int(input())
P=[]
X=[]
for k in range(M):
    p,x=map(int,input().split())
    P.append(p)
    X.append(x)

for h in range(M):
    time=sum(T)-T[P[h]-1]+X[h]
    print(time)
x, y, a, b, c = map(int, input().split())
plst = list(map(int, input().split()))
qlst = list(map(int, input().split()))
rlst = list(map(int, input().split()))
plst.sort()
qlst.sort()
rlst.sort(reverse = True)
plst = plst[-x:]
qlst = qlst[-y:]
r_pos = 0
p_pos = 0
q_pos = 0
while 1:
    if rlst[r_pos] <= plst[p_pos] and rlst[r_pos] <= qlst[q_pos]:
        break
    elif plst[p_pos] < qlst[q_pos]:
        plst[p_pos] = qlst[r_pos]
        p_pos += 1
        r_pos += 1
    else:
        qlst[q_pos] = rlst[r_pos]
        q_pos += 1
        r_pos += 1
    if p_pos == a or q_pos == b or r_pos == c:
        break
print(sum(plst) + sum(qlst))

### FIXED CODE ###

x, y, a, b, c = map(int, input().split())
plst = list(map(int, input().split()))
qlst = list(map(int, input().split()))
rlst = list(map(int, input().split()))
plst.sort()
qlst.sort()
rlst.sort(reverse = True)
inf = 10 ** 20
plst = plst[-x:] + [inf]
qlst = qlst[-y:] + [inf]
r_pos = 0
p_pos = 0
q_pos = 0
while 1:
    if rlst[r_pos] <= plst[p_pos] and rlst[r_pos] <= qlst[q_pos]:
        break
    elif plst[p_pos] < qlst[q_pos]:
        plst[p_pos] = rlst[r_pos]
        p_pos += 1
        r_pos += 1
    else:
        qlst[q_pos] = rlst[r_pos]
        q_pos += 1
        r_pos += 1
    if r_pos == c:
        break
print(sum(plst) + sum(qlst) - inf * 2)
N = input()
print((N + 1) // 2)

### FIXED CODE ###

N = int(input())
print((N + 1) // 2)