Harryxun/stf_run huggingface dataset:
n = int(input())
red = []
red_x = []
blue = []
blue_y = []
for i in range(n):
    a, b = map(int,input().split())
    red.append([a,b])
    red_x.append(a)
    
for i in range(n):
    c, d = map(int,input().split())
    blue.append([c,d])
    blue_y.append(d)

count = 0    
for i in range(n):
    p = max(red_x)
    s = min(blue_y)
    q = 0
    r = 0
    jjj = 0
    kkk = 0
    for j in range(n):
        if red[j][0] == p:
            q = red[j][1]
            jjj = j
    for k in range(n):
        if blue[k][1] == s:
            r = blue[k][0]
            kkk = k
            
    if p < r and q < s:
        count = count + 1 
        red_x.remove(p)
        blue_y.remove(s)
        red.remove(red[jjj][0])
        blue.remove(blue[kkk][1])


    else:
        None
        
print(count)

### FIXED CODE ###

n = int(input())
red = []
blue = []

for i in range(n):
    a, b = map(int,input().split())
    red.append([a,b])
    

for i in range(n):
    c, d = map(int,input().split())
    blue.append([c,d])
    
red_sort = list(reversed(sorted(red, key=lambda y: y[1])))
blue_sort = sorted(blue, key=lambda x: x[0])

# print(red_sort)
# [[1, 3], [2, 0], [3, 1]]
# print(blue_sort)
# [[4, 2], [0, 4], [5, 5]]

pair = []
for blue_point in blue_sort:
    x_blue = blue_point[0]
    y_blue = blue_point[1]
    
    for red_point in red_sort:
        x_red = red_point[0]
        y_red = red_point[1]
        
        if x_red<x_blue and y_red<y_blue:
            if not (red_point in pair) and not (blue_point in pair):
                pair.append(red_point)
                pair.append(blue_point)
    
print(len(pair) // 2)
# PROXY

import functools
import math
N, X = [int(i) for i in input().split()]
X_N = [int(i) for i in input().split()]
list = []
for e in [int(i) for i in input().split()]:
    list.append(abs(e - X))
gcd = functools.reduce(math.gcd, list)
print(gcd)

### FIXED CODE ###

import fractions as math

N, X = map(int,(input().split()))
x = list(map(int,input().split()))
x.append(X)
x_min = min(x)

x_0 = [x_- x_min for x_ in x]

gcd = x_0[0]
for x_0_ in x_0:
    gcd = math.gcd(gcd,x_0_)

print(gcd)
def clr(u):
    for x in G[u]:
        v,w = x[0],x[1]
        if hist[v]==0:
            if w%2==0:
                C[v] = C[u]
            else:
                C[v] = 1-C[u]
            hist[v]=1
            clr(v)      
N = int(input())
G = {i:[] for i in range(1,N+1)}
for _ in range(N-1):
    u,v,w = map(int,input().split())
    G[u].append((v,w))
    G[v].append((u,w))
C = [0 for i in range(N+1)]
hist = [0 for i in range(N+1)]
hist[1] = 1
clr(1)
for i in range(1,N+1):
    print(C[i])

### FIXED CODE ###

from collections import deque
N = int(input())
G = {}
for _ in range(N-1):
    u,v,w = map(int,input().split())
    if u not in G:
        G[u] = []
    G[u].append((v,w%2))
    if v not in G:
        G[v] = []
    G[v].append((u,w%2))
que = deque([(1,0)])
hist = [0 for _ in range(N+1)]
hist[1] = 1
col = [0 for _ in range(N+1)]
while que:
    u,c = que.popleft()
    for x in G[u]:
        v,w = x[0],x[1]
        if hist[v]==0:
            if w==0:
                col[v] = c
                que.append((v,c))
            else:
                col[v] = 1-c
                que.append((v,1-c))
            hist[v] = 1
for i in range(1,N+1):
    print(col[i])
import numpy as np
n, k, q = input().split(' ')
n, k, q = int(n),int(k), int(q)
hum = [0]*n
for i in range(q):
    ind = input()
    hum[int(ind)] += 1
hum_last = np.array(hum)-1
for i in range(len(hum_last)):
    if hum_last[len(hum_last)-1-i] <= 0:
        print('No')
    else:
        print('Yes')

### FIXED CODE ###

import numpy as np
n, k, q = input().split(' ')
n, k, q = int(n),int(k), int(q)
hum = [k]*n
for i in range(q):
    ind = input()
    hum[int(ind)-1] += 1
hum_last = np.array(hum)-q
for i in range(len(hum_last)):
    if hum_last[i] <= 0:
        print('No')
    else:
        print('Yes')
n = int(input())
a = list(map(int, input().split()))
 
now = 1
ans = 0
match = 0
chuumoku = 0
for i in range(n):
    if a[chuumoku] != now:
        ans += 1
        a.pop(chuumoku)
    else:
        match += 1
        chuumoku += 1
        now += 1
 
    if chuumoku == len(a) and match == 0:
        print(-1)
        exit(0)
 
print(ans)

### FIXED CODE ###

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

ans = [1, 2, 3]

ans.remove(a)
ans.remove(b)

print(ans[0])
for i in a:
#     print(i)
    if pre<i-2:
        succession=0
        pre=i
        maxnum=max(maxnum,sum(check))
        check=[1,0,0]
    elif pre==i:
        check[succession]+=1
    elif pre==i-1 and succession==0:
        succession+=1
        check[1]+=1
        pre=i
    elif pre==i-1 and succession==1:
        succession+=1
        check[2]+=1
        pre=i
    elif pre==i-1 and succession==2:
        maxnum=max(maxnum,sum(check))
        check=[check[1],check[2],1]
        pre=i
    elif pre==i-2:
        maxnum=max(maxnum,sum(check))
        check=[check[succession],0,1]
        succession=2
        pre=i
#     print(check)
maxnum=max(maxnum,sum(check))

print(maxnum)

### FIXED CODE ###

n=int(input())

a=[int(i) for i in input().split()]
a.sort()

succession=0
pre=-10000
maxnum=0
check=[0,0,0]

for i in a:
#     print(i)
    if pre<i-2:
        succession=0
        pre=i
        maxnum=max(maxnum,sum(check))
        check=[1,0,0]
    elif pre==i:
        check[succession]+=1
    elif pre==i-1 and succession==0:
        succession+=1
        check[1]+=1
        pre=i
    elif pre==i-1 and succession==1:
        succession+=1
        check[2]+=1
        pre=i
    elif pre==i-1 and succession==2:
        maxnum=max(maxnum,sum(check))
        check=[check[1],check[2],1]
        pre=i
    elif pre==i-2:
        maxnum=max(maxnum,sum(check))
        check=[check[succession],0,1]
        succession=2
        pre=i
#     print(check)
maxnum=max(maxnum,sum(check))

print(maxnum)
import math
def comb(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))
N,K=map(int,input().split())
for i in range(1,K+1):
  a=comb(N-K+1,i)%(10**9+7)
  b=comb(K-1,i-1)%(10**9+7)
  print((a*b)%(10**9+7))

### FIXED CODE ###

import math
def comb(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))
N,K=map(int,input().split())
for i in range(1,K+1):
  if(N-K+1>=i):
    a=comb(N-K+1,i)%(10**9+7)
    b=comb(K-1,i-1)%(10**9+7)
    print((a*b)%(10**9+7))
  else:
    print("0")
print(int(input() // 3)

### FIXED CODE ###

print(int(input()) // 3)
"""
8:30:00
"""

from collections import defaultdict
def getprime(n):
    if not isinstance(n, int):
        raise TypeError("Input int")
    if n < 2:
        raise ValueError("N >= 2")
    prime = []
    # 約数はsqrt(N)まで調べればOK
    data = [i+1 for i in range(1,n)]
    while True:
        p = data[0]
        if p >= int(n**0.5):
            return prime+data
        prime.append(p)
        # pで割り切れないものだけを残す
        data = [d for d in data if d%p != 0]

def factorization(n):
    factors = defaultdict(int)
    primes = getprime(int(n**0.5))
    for prime in primes:
        while n % prime == 0:
            factors[prime] += 1
            n //= prime
            # print(factors,n)
    if n != 1:
        factors[n] += 1
    return factors


def modconb(n,k,mod):
    # テーブルを作る
    fac = [0]*(n+1)
    finv = [0]*(n+1)
    inv = [0]*(n+1)  

    fac[0] = fac[1] = 1
    finv[0] = finv[1] = 1
    inv[1] = 1

    for i in range(2,n+1):
        fac[i] = fac[i-1]*i % mod
        inv[i] = mod - inv[mod%i] * (mod//i) % mod
        finv[i] = finv[i-1] * inv[i] % mod

    if n<k: return 0
    if n<0 or k<0: return 0
    return(fac[n]*(finv[k]*finv[n-k]%mod)%mod)

"""
1 * 1 * 1のどこに素因数をかけるか
3^3だとして
どこかで3回3をかけないといけない
a + b + c = 3 //重複組合せ
3*3-1C3
こいつをかけ合わせると答えになる
modconbいる
"""

mod = 10**9 + 7
n, m = map(int, input().split())

factors = factorization(m)
ans = 1
for k in factors.keys():
    x = factors[k]
    ans *= modconb(x+n-1,x,mod)
    ans %= mod
print(ans)


### FIXED CODE ###

from math import factorial
N, M = map(int,input().split())

# 素因数分解(小さい方から順に割っていく。sqrt(2)まで)
def factorize(n):
    i = 2
    table = [0]
    cnt= [0]
    while i * i <= n:
        while n % i == 0:
            n /= i
            if table[-1] != i:
                table.append(i)
                cnt.append(0)
            cnt[-1] += 1
        i += 1
    if n > 1:
        table.append(n)
        cnt.append(1)
    return table,cnt


fs,ns = factorize(M)
ans = 1
for n in ns[1:]:
    a = 1
    for i in range(N,n+N):
        a *= i
    ans *= a//factorial(n)
print(ans%(10**9+7))
a = input()
q = int(input())

fflag = 1
for i in range(q):
  qi = input()
  if( qi == "1"):
    fflag *= -1 
  else:
    if( fflag == 1 ):
      if( qi[2] == "2" ):
        a += qi[4]
      else:
        a = qi[4] + a
    else:
      if( qi[2] == "2" ):
        a = qi[4] + a
      else:
        a += qi[4]      
    
if( fflag == 1 ):
  print( a )
else:
  print( a[::-1] )	

### FIXED CODE ###

bus = input()
if not( 'A' in bus):
  print( 'No')
elif not( 'B' in bus):
  print( 'No' )
else:
  print( 'Yes' )
A, B = map(int, input().split())

import math
g = math.gcd(A, B)


def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr

fac = factorization(g)
if fac[0][0] == 1:
    ans = 1
else:
    ans = len(fac)+1
print(ans)


### FIXED CODE ###

A, B = map(int, input().split())
import fractions
g = fractions.gcd(A,B)

def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr

fac = factorization(g)
fac

if fac[0][0] == 1:
    ans = 1
else:
    ans = len(fac)+1
print(ans)
a, b, c = map(int, input().split())

if a <= c and c <= b:
  print("Yes")
eles:
  print('No')

### FIXED CODE ###

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

if a <= c and c <= b:
  print("Yes")
else:
  print('No')
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()

### FIXED CODE ###

while True:
    h, w = map(int,input().strip().split())
    if h == w == 0: break
    for y in range(h):
        print(''.join('#.'[(x + y) % 2] for x in range(w)))
    print()
a, b, c = map(int, input().split())

a = b, b = a
a = c, c = a
print(a b c)


### FIXED CODE ###

X, Y, Z = map(int, input().split())

print(Z, X, Y)
import math
n=int(input())
l=[]
for a in range(1,math.ceil(n**(1/2))):
    if n%a==0:
        l.append(len(str(n//a)))
print(min(l))

### FIXED CODE ###

import math
n=int(input())
f=[]
for a in range(1,math.floor(n**(1/2))+1):
    if n%a==0:
        b=n//a
        f.append(len(str(b)))
print(min(f))
a,b = input()
print a*b,2*(a + b)

### FIXED CODE ###

a, b = map(int, raw_input().split())
print a*b, 2*a+2*b
import math
import operator as op
from functools import reduce
from fractions import Fraction as frac

def ncr(n, r):
    r = min(r, n-r)
    numer = reduce(op.mul, range(n, n-r, -1), 1)
    denom = reduce(op.mul, range(1, r+1), 1)
    return numer / denom
def rd(p):
    if(p==0):
        return input()
    if(p==1):
        return int(input())
    if(p==2):
        return map(int,input().split())
    if(p==3):
        return list(map(int,input().split()))
        

# t=rd(1)
def find(u,par):
    if(par[u]<0):
        return u
    else:
        return find(par[u],par)
def uni(x,y,par):
    u=find(x,par)
    v=find(y,par)
    if(par[u]<par[v]):
        par[u]+=par[v]
        par[v]=u
        
    else:
        par[v]+=par[u]
        par[u]=v
t=1
for term in range(1,t+1):
    n,m=rd(2)
    par=[-1 for i in range(n+1)]
    
    
    for i in range(m):
        x,y,z=rd(2)
        uni(x,y,par)
    ans=0
    for i in range(1,n+1):
        if(par[i]<0):
            ans+=1
    print(ans)
        
    
    

### FIXED CODE ###

import math
import operator as op
from functools import reduce
from fractions import Fraction as frac

def ncr(n, r):
    r = min(r, n-r)
    numer = reduce(op.mul, range(n, n-r, -1), 1)
    denom = reduce(op.mul, range(1, r+1), 1)
    return numer / denom
def rd(p):
    if(p==0):
        return input()
    if(p==1):
        return int(input())
    if(p==2):
        return map(int,input().split())
    if(p==3):
        return list(map(int,input().split()))

global par
par=[-1 for i in range(100001)]
# t=rd(1)
def find(u):
    if(par[u]<0):
        return u
    else:
        return find(par[u])
def uni(x,y):
    u=find(x)
    v=find(y)
    if u==v:
        return
    if(par[u]<par[v]):
        par[u]+=par[v]
        par[v]=u
    else:    
        par[v]+=par[u]
        par[u]=v
t=1
for term in range(1,t+1):
    n,m=rd(2)
    for i in range(m):
        x,y,z=rd(2)
        uni(x,y)
        # print(par[1:n+1])
    ans=0
    for i in range(1,n+1):
        if(par[i]<0):
            ans+=1
    
    print(ans)
x, y = [list(i) for i in zip(*xy)]
N, D = x[0], y[0]
count = 0
for i in range(1, N+1):
	X, Y=x[i], y[i]
    if X^2+Y^2 <= D^2:
    	count += 1
    else:
    	pass
print(count)


### FIXED CODE ###

X =int(input())
if X >= 30:
	print("Yes")
else:
	print("No")
n = int(input())
nums = list(map(int,input().split()))
alice = 0
bob = 0

nums.sort()
while nums:
    alice+=nums.pop()
    bob+=nums.pop()

print(alice-bob)

### FIXED CODE ###

n = int(input())
nums = list(map(int,input().split()))
alice = 0
bob = 0

nums.sort()
while nums:
    alice+=nums.pop()
    if nums:
        bob+=nums.pop()

print(alice-bob)
a=list(input())
b=list(input())
c=list(input())
order='a'
while True:
  if order='a':
    order=a[0]
    if len(a)==1:
      print('A')
      break
    else:
      a=a[1:]
  elif order='b':
    order=b[0]
    if len(b)==1:
      print('B')
      break
    else:
      b=b[1:]
  elif order='c':
    order=c[0]
    if len(c)==1:
      print('C')
      break
    else:
      c=c[1:]

### FIXED CODE ###

a=list(input())
b=list(input())
c=list(input())
order='a'
while True:
  if order=='a':
    if len(a)==0:
      print('A')
      break
    else:
      order=a[0]
      a=a[1:]
  elif order=='b':
    if len(b)==0:
      print('B')
      break
    else:
      order=b[0]
      b=b[1:]
  elif order=='c':
    if len(c)==0:
      print('C')
      break
    else:
      order=c[0]
      c=c[1:]
a=list(input())
flag=True
for i in range(len(a)-1):
  if a[i]==a[i+1]:
    print("Bad")
    return
print("Good")

### FIXED CODE ###

a=list(input())
flag=True
for i in range(len(a)-1):
  if a[i]==a[i+1]:
    flag=False
print("Good" if flag else "Bad")
import fractions


def lcm(x, y):
    return (x * y) // fractions.gcd(x, y)


n, m = map(int, input().split())
v = list(map(int, input().split()))
num = 0
# print(v[0])
while (v[0] % 2 == 0):
    v[0] //= 2
    num += 1
# print(v[0])
ans = v[0]
for i in range(n - 1):
    v[i+1] //= 2**num
    ans = lcm(ans, v[i + 1])
# print(ans)
if (ans % 2 == 0):
    print(0)
    exit(0)
ans *= 2**num
print(m//ans)


### FIXED CODE ###

import fractions


def lcm(x, y):
    return (x * y) // fractions.gcd(x, y)


n, m = map(int, input().split())
v = list(map(int, input().split()))
num = 0
# print(v[0])
while (v[0] % 2 == 0):
    v[0] //= 2
    num += 1
# print(v[0])
ans = v[0]
for i in range(n - 1):
    if (v[i + 1] % (2 ** num) != 0 or v[i + 1] % (2 ** (num + 1)) == 0):
        ans = 2
        break
    # print(v[i+1])
    v[i+1] //= 2**num
    # print(v[i+1])
    ans = lcm(ans, v[i + 1])
# print(ans)
if (ans % 2 == 0):
    print(0)
    exit(0)
ans *= 2**(num-1)
print(((m//ans)+1)//2)
import sys
input = sys.stdin.readline
N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
RB = B[::-1]

start = -1
seq = 0
for i,(a,b) in enumerate(zip(A,RB)):
    if a==b:
        if start == -1:
            start = i
        seq += 1

if start == -1:
    print('Yes')
    print(*RB)
    exit()

v = A[start]
if A.count(v) + B.count(v) > N:
    print('No')
    exit()

from bisect import bisect_left
al = bisect_left(A,v)
bl = bisect_left(B,v)

m = min(start,seq,al,bl)
RB[:m],RB[start:start+m] = RB[start:start+m],RB[:m]
seq -= m
start += m
if seq:
    RB[start:start+seq],RB[-seq:] = RB[-seq:],RB[start:start+seq]

assert all(a!=b for a,b in zip(A,RB))
print('Yes')
print(*RB)

### FIXED CODE ###

import sys
input = sys.stdin.readline
N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
RB = B[::-1]

start = v = -1
seq = 0
for i,(a,b) in enumerate(zip(A,RB)):
    if a==b:
        v = a
        seq += 1
        if start == -1:
            start = i

if v == -1:
    print('Yes')
    print(*RB)
    exit()

if A.count(v) + B.count(v) > N:
    print('No')
    exit()

from bisect import bisect_left,bisect
al = bisect_left(A,v)
bl = bisect_left(B,v)
br = bisect(B,v)
rbl = N - br

m = min(seq,start,al,rbl)
RB[:m],RB[start:start+m] = RB[start:start+m],RB[:m]
seq -= m
start += m
if seq:
    RB[start:start+seq],RB[-seq:] = RB[-seq:],RB[start:start+seq]

assert all(a!=b for a,b in zip(A,RB))
print('Yes')
print(*RB)
n = input()
op_cnt = len(n) - 1  # すき間の個数
for i in range(2**op_cnt):
  op = ['-'] * op_cnt
  for j in range(op_cnt):
    if (i >> j) & 1:
      op[op_cnt-1-j] = '+'
      formula = ''
      for p_n, p_o in zip(n, op + ['']):
        formula += (p_n + p_o)
        if eval(formula) == 7:
          print(formula + '=7')
          break

### FIXED CODE ###

n = input()
op_cnt = len(n) - 1  # すき間の個数
for i in range(2 ** op_cnt):
    op = ["-"] * op_cnt  # あらかじめ ["-", "-", "-"] というリストを作っておく
    for j in range(op_cnt):
        if ((i >> j) & 1):
            op[op_cnt - 1 - j] = "+"  # フラグが立っていた箇所を "+" で上書き

    formula = ""
    for p_n, p_o in zip(n, op + [""]):  # 少々モヤッとする
        formula += (p_n + p_o)
    if eval(formula) == 7:
        print(formula + "=7")
        break
if N%1000==0:
  print(0)
else:
  print(1000-N%1000)

### FIXED CODE ###

N = int(input())
if N%1000==0:
  print(0)
else:
  print(1000-N%1000)
n = int(input())
A = map(int,input().split())
 
ans = 1
for num in A:
	ans*=num
  if (ans > 10^18):
    ans = -1
    break

print(ans)

### FIXED CODE ###

n = int(input())
A = map(int,input().split())
 
ans = 1
for num in A:
    ans*=num
    if (ans > 10**18):
        ans = -1
        break
if (0 in A):
    ans = 0;
print(ans)
N = int(input())
A = list(map(int, input().split()))


def solve(i, s, k, sign):
    if i == N:
        return k

    if sign * (s + A[i]) > 0:
        return solve(i + 1, s + A[i], k, sign * -1)
    else:
        return solve(i + 1, sign, k + abs(s + A[i]) + 1, sign * -1)


try:
    print(min(solve(0, 0, 0, 1), solve(0, 0, 0, -1)))
except ValueError:
    print(1)

### FIXED CODE ###

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

ret = float('inf')

sign = 1
s = 0
k = 0
for a in A:
    if sign * (s + a) > 0:
        s += a
    else:
        k += abs(s + a) + 1
        s = sign
    sign *= -1
ret = min(ret, k)

sign = -1
s = 0
k = 0
for a in A:
    if sign * (s + a) > 0:
        s += a
    else:
        k += abs(s + a) + 1
        s = sign
    sign *= -1

ret = min(ret, k)


print(ret)
s = input()
n = len(s)

res = 0

def part_sum(cur, i):
  if i != n:
    part_sum(cur+s[i], i+1)
    part_sum(cur+s[i]+"+", i+1)
  else:
    cur += s[i]
    res += sum(list(map(int, cur.split("+")))) 
  
part_sum("", 0)
print(res)

### FIXED CODE ###

s = input()
n = len(s)

def part_sum(cur, i, res):
    if i < n-1:
        part_sum(cur+s[i], i+1, res)
        part_sum(cur+s[i]+"+", i+1, res)
    else:
        cur += s[i]
        res.append(sum(list(map(int, cur.split("+")))) )
    return res
  
res = part_sum("", 0, [])
print(sum(res))
import math
n,m = map(int,input().split())

a = input()
list1 = list(map(int,a.split()))
list1.sort()
list1.reverse()
cout = 0
cout_of_index = 0
cout_of_i = 0
kai = 0
def func(j):
    global list1
    global cout_of_i
    global kai
    global m
    if cout_of_i == m:
        kai = j
        return
    sd = math.floor(j/2)
    if sd >= list1[m-(cout_of_i+1)]:
        cout_of_i += 1
        func(sd)
    else:
        cout_of_i += 1
        kai = sd
        return 
    return 

if n == 1:
    print(math.floor(list1[0]/(2**m)))
    exit()
while True:
    if cout_of_i >= m:
        break
    s = max(list1)
    func(s)
    cout += kai
    list1[cout_of_index] = 0
    cout_of_index += 1
    

for i in range(cout_of_index,n):
    cout += list1[i]
print(cout)

### FIXED CODE ###

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

a = input()
list1 = list(map(int,a.split()))
list1.sort()
list1.reverse()
i = 0
s = math.floor(list1[0]/2)

if n == 1:
    print(math.floor(list1[0]/(2**m)))
    exit()

while True:
    while True:
        if i+1 > n:
            break
        if list1[i] < s or m == 0:
            break
        list1[i] = math.floor(list1[i]/2)
        m -= 1
        i += 1
    if m == 0:
        break
    list1.sort()
    list1.reverse()
    s = math.floor(list1[0]/2)
    i = 0
print(sum(list1))
n = int(input())
l = list(map(int,input().split()))
a = []
for i in range(n):
  a.append(l[i])
  a = a[::-1]
pritn(a)

### FIXED CODE ###

n = int(input())
l = list(map(int,input().split()))
if n % 2 == 0:
  a = l[::-2]+ l[0::2]
else:
  a = l[::-2]+ l[1::2]
print(*a)
from collections import deque

h,w = map(int,input().split())
m = [input() for _ in range(h)]
vm  = [[-1] * w for _ in range(h) ]

q = deque()

for i in range(h):
    for j in range(w):
        if m[i][j] == '#':
            q.append((i,j))
            vm[i][j]=0

while q:
    y,x = q.popleft()
    d = vm[y][x]

    for i,j in ([1, 0], [-1, 0], [0, 1], [0, -1]):
        yi , xj = y + i , x + j
        if yi >= 0 and xj >= 0 and yi < h and xj < w and vm[yi][xj] == -1 :
            vm[yi][xj] = d +  1
            q.append([yi,xj])a

print(d)

### FIXED CODE ###

from collections import deque

h,w = map(int,input().split())
m = [input() for _ in range(h)]
vm  = [[-1] * w for _ in range(h) ]

q = deque()

for i in range(h):
    for j in range(w):
        if m[i][j] == '#':
            q.append((i,j))
            vm[i][j]=0

while q:
    y,x = q.popleft()
    d = vm[y][x]

    for i,j in ([1, 0], [-1, 0], [0, 1], [0, -1]):
        yi , xj = y + i , x + j
        if yi >= 0 and xj >= 0 and yi < h and xj < w and vm[yi][xj] == -1 :
            vm[yi][xj] = d +  1
            q.append([yi,xj])
            

print(d)
n,k=map(int,input().split())
list=[1:n+1]
for i in range(k):
  d=int(input())
  a=list(map(int,input.split()))
  list.remove(a)
print(count(list))

### FIXED CODE ###

n,k=map(int,input().split())
lst=[_ for _ in range(1,n+1)]
for i in range(k):
  x=int(input())
  a=list(map(int,input().split()))
  b=set(a)
  for j in b:
    if j in lst:
      lst.remove(j)
print(len(lst))
s = list(input())
k = int(input())
nonone = 0
for c in s:
    if c == '1':
        nonone += 1
    else: break
if k >= nonone:
    print(s[nonone])
else:
    print(1)

### FIXED CODE ###

s = list(input())
k = int(input())
nonone = 0
for c in s:
    if c == '1':
        nonone += 1
    else: break
if k - 1 >= nonone:
    print(s[nonone])
else:
    print(1)