Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
from math import gcd

n = int(input())

ans =0

for i in range(1,n+1):
    for j in range(1,n+1):
        for k in range(1,n+1):
            g1 = gcd(i,j)
            ans += gcd(g1,k)

print(ans)


Fixed submission:
from math import gcd

n = int(input())

ans =0

for i in range(1,n+1):
    for j in range(1,n+1):
        for k in range(1,n+1):
            g1 = gcd(i,j)
            ans += gcd(g1,k)

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import math

n = int(input())

ans =0

for i in range(1,n+1):
    for j in range(1,n+1):
        for k in range(1,n+1):
            ans += math.gcd(math.gcd(i,j),k)

print(ans)

Fixed submission:
from math import gcd

n = int(input())

ans =0

for i in range(1,n+1):
    for j in range(1,n+1):
        for k in range(1,n+1):
            g1 = gcd(i,j)
            ans += gcd(g1,k)

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n= int(input())
s = input()

r = []
g = []
b = []

for i in range(n):
    if s[i]=='R':
        r.append(i)
    elif s[i] == 'G':
        g.append(i)
    else:
        b.append(i)

# print(r,g,b)
ans = 0

for rr in r:
    for gg in g:
        for bb in b:
            if abs(gg-bb) != abs(rr-gg) and abs(rr-bb) != abs(gg-bb) and abs(rr-gg) != abs(rr-bb):
                ans += 1
print(ans)

Fixed submission:
n= int(input())
s = input()

r = []
g = []
b = []

for i in range(n):
    if s[i]=='R':
        r.append(i)
    elif s[i] == 'G':
        g.append(i)
    else:
        b.append(i)

# print(r,g,b)
ans = 0

for i in range(n):
    for j in range(i+1,n):
        if 2*j - i < n and s[i] != s[j] and s[i] != s[2*j-i] and s[j]!= s[2*j-i]:
            ans += 1

print(len(r)*len(g)*len(b) -ans)
Buggy python submission (verdict: Runtime Error):
a = [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]
k= int(input())
print(a[k+1])


Fixed submission:
a = [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]
k= int(input())
print(a[k-1])
Buggy python submission (verdict: Runtime Error):
import math

a,b,c = map(int,input().split())
if (c-a-b)**2 > 4*((a*b)**2)):
    print('Yes')
else:
    print('No')

Fixed submission:
a,b,c = map(int,input().split())
if (c-a-b)>0 and 4*a*b < (c-a-b)**2:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
n=int(input())
import numpy as np
npi = np.array(list(map(int,input().split())))
if npi.mean()%1>0.5:
  p=npi.mean()//1 +1
else:
  p=npi.mean()//1
print(int(np.sum((npi-p)**2)))


Fixed submission:
n=int(input())
import numpy as np
npi = np.array(list(map(int,input().split())))
if npi.mean()%1>0.5:
  p=npi.mean()//1 +1
else:
  p=npi.mean()//1
print(int(np.sum((npi-p)**2)))
Buggy python submission (verdict: Time Limit Exceeded):
n,k=map(int,input().split())
p=list(map(int,input().split()))
ans= 0
tmp=0
for i in range(n-k+1):
    # print(i,tmp,p[i:i+k])
    if sum(p[i:i+k])>tmp:
        # print(i,tmp)
        tmp = sum(p[i:i+k])
        ans= i
anss=0
for j in p[ans:ans+k]:
    anss+=(j+1)/2


print(anss)

Fixed submission:
n,k=map(int,input().split())
p=list(map(int,input().split()))
ans= 0
tmp=0
sump=sum(p[0:k])
for i in range(n-k):
    sump=sump+p[i+k]-p[i]
    # print(i,tmp,p[i:i+k])
    if sump>tmp:
        # print(i,tmp)
        tmp = sump
        ans= i+1
anss=0
for j in p[ans:ans+k]:
    anss+=(j+1)/2


print(anss)
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
K =int(input()) 

def dp(N, K):
  if N < 10:
    if K == 0:
      return 1
    if K == 1:
      return N
    return 0
  q, r = divmod(N, 10)
  ret = 0
  if K >= 1: # 下一桁が0でないときはKを1消化
    ret += dp(q, K-1) * r # 下一桁がr以下の時
    ret += dp(q-1, K-1) * (9-r) # 下一桁がrより上の時はq-1であれば成立
  ret += dp(q, K) # 下一桁が0のとき
  return ret

print(dp(N, K))

Fixed submission:
from functools import lru_cache

N=int(input())
K =int(input()) 

@lru_cache(None)
def dp(N, K):
  if N < 10:
    if K == 0:
      return 1
    if K == 1:
      return N
    return 0
  q, r = divmod(N, 10)
  ret = 0
  if K >= 1: # 下一桁が0でないときはKを1消化
    ret += dp(q, K-1) * r # 下一桁がr以下の時
    ret += dp(q-1, K-1) * (9-r) # 下一桁がrより上の時はq-1であれば成立
  ret += dp(q, K) # 下一桁が0のとき
  return ret

print(dp(N, K))
Buggy python submission (verdict: Runtime Error):
import numpy as np

n, m = map(int,input().split())
ac = [0]*(n+1)
ac = np.array(ac)
wa = [0]*(n+1)
wa = np.array(wa)

for i in range(m):
    p, s = map(str, input().split())
    p= int(p)
    if s == 'AC':
        ac[p] = 1
    elif ac[p] == 0:
        wa[p] += 1

wa= wa*ac
print(sum(ac), sum(wa))

Fixed submission:
n, m = map(int,input().split())
ac = [0]*(n+1)
wa = [0]*(n+1)

for i in range(m):
    p, s = map(str, input().split())
    p= int(p)
    if s == 'AC':
        ac[p] = 1
    elif ac[p] == 0:
        wa[p] += 1

wa_sum = 0
for w, a in zip(wa, ac):
    wa_sum += w*a
print(sum(ac), wa_sum)
Buggy python submission (verdict: Runtime Error):
s=input()
t=input()

print(t+s, sep="")

Fixed submission:
s,t=map(str,input().split())
# t=input()

print(t+s, sep="")
Buggy python submission (verdict: Runtime Error):
a = int(input())
b = int(input())
 
for i in [1,2,3]:
  if i not in [a,b]:
    print(j)

Fixed submission:
a = int(input())
b = int(input())
 
for i in [1,2,3]:
  if i not in [a,b]:
    print(i)

Buggy python submission (verdict: Runtime Error):
a = int(input())
b = int(input())

for i in [1,2,3]:
  if j not in [a,b]:
    print(j)

Fixed submission:
a = int(input())
b = int(input())
 
for i in [1,2,3]:
  if i not in [a,b]:
    print(i)
Buggy python submission (verdict: Time Limit Exceeded):
import math

x, y = map(int,input().split())

if (x+y)%3 != 0:
    ans = 0
else:
    m = (2*x - y) //3
    n = x - 2*m
    if m <0 or n < 0 :
        ans = 0
    else:
        ans = math.factorial(n+m) // (math.factorial(n+m - m) * math.factorial(m))

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

Fixed submission:
import math

x, y = map(int,input().split())
mod = 10**9+7 #出力の制限

def cmb(n, k,MOD):
    if k > n - k:
        k = n - k
    ans = 1
    for i in range(1, k + 1):
        ans *= n + 1 - i
        ans *= pow(i, MOD - 2, MOD)
        ans %= MOD
    return ans

if (x+y)%3 != 0:
    ans = 0
else:
    m = (2*x - y) //3
    n = x - 2*m
    # print(m,n)
    if m <0 or n < 0 :
        ans = 0
    else:
        ans = cmb(n+m, m, mod)
print(ans)

Buggy python submission (verdict: Runtime Error):
import math

x, y = map(int,input())

ans = 0

xx = 1
for i in range(x):
    n = i # x：1 の数
    m = (x - i)/2 # x：2 の数
    if y- 2/n == m:
        if max(n,m) == m:
            n,m = m,n
        ans = math.factorial(n) // (math.factorial(n - m) * math.factorial(m))
        break

print(ans)

Fixed submission:
import math

x, y = map(int,input().split())
mod = 10**9+7 #出力の制限

def cmb(n, k,MOD):
    if k > n - k:
        k = n - k
    ans = 1
    for i in range(1, k + 1):
        ans *= n + 1 - i
        ans *= pow(i, MOD - 2, MOD)
        ans %= MOD
    return ans

if (x+y)%3 != 0:
    ans = 0
else:
    m = (2*x - y) //3
    n = x - 2*m
    # print(m,n)
    if m <0 or n < 0 :
        ans = 0
    else:
        ans = cmb(n+m, m, mod)
print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())

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

waru = 998244353

c = collections.Counter(d)

ans =1

cmax =max(c.keys())
if d[0] != 0:
    print(0)
else:
    for i in range(1,cmax+1):
        ans *= c[i-1]** c[i]

print(ans % waru)

Fixed submission:

import collections

n = int(input())

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

waru = 998244353

c = collections.Counter(d)

ans =1

cmax =max(c.keys())
if d[0] != 0:
    print(0)
else:
    for i in range(1,cmax+1):
        if d[i] == 0:
            ans = 0
            break
        ans *= c[i-1]** c[i]

    print(ans % waru)
Buggy python submission (verdict: Time Limit Exceeded):
n= int(input())
l = list(map(int,input().split()))
ans = 0
L = sorted(l, reverse=True)

for i in range(n-2):
    for j in range(i+1, n-1):
        ans += len([x for x in L[j+1:] if x + L[j] > L[i]])
    
print(ans)


Fixed submission:
import bisect

n= int(input())
l = list(map(int,input().split()))
ans = 0
L = sorted(l)

for i in range(n-2): # max
    for j in range(i+1, n-1): # second max
        index = bisect.bisect_left(L[j+1:], L[i]+L[j])
        ans += index
    
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import itertools
_= input()
l = list(map(int,input().split()))
ans = 0
sp = itertools.combinations(l, 3)

for i in sp:
    tmp = sorted(i)

    if tmp[0] + tmp[1] > tmp[2]:
        ans += 1
    
print(ans)

Fixed submission:
import bisect

n= int(input())
l = list(map(int,input().split()))
ans = 0
L = sorted(l)

for i in range(n-2): # max
    for j in range(i+1, n-1): # second max
        index = bisect.bisect_left(L[j+1:], L[i]+L[j])
        ans += index
    
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n, k, q = map(int, input().split())
a= [int(input()) for i in range(q)]

for i in range(n):
        if q - a.count(i+1) < k:
                print('Yes')
        else:
                print('No')


Fixed submission:
import collections
n, k, q = map(int, input().split())
a= [int(input()) for i in range(q)]
c=collections.Counter(a)

for i in range(n):
        if q - c[i+1] < k:
                print('Yes')
        else:
                print('No')
Buggy python submission (verdict: Time Limit Exceeded):
import bisect

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

for i in range(m):
        atop = a.pop()
        bisect.insort_left(a,atop/2)

print(sum([int(i) for i in a]))

Fixed submission:
import heapq

n, m = map(int,input().split())
a = [-int(i) for i in input().split()]
heapq.heapify(a) 

for i in range(m):
        heapq.heappush(a,heapq.heappop(a)/2)
 
print(sum([int(i) for i in a])*-1)

Buggy python submission (verdict: Time Limit Exceeded):
import bisect

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

for i in range(m):
        atop = a.pop()
        bisect.insort_left(a,atop/2)

print(sum([int(i) for i in a]))

Fixed submission:
import heapq

n, m = map(int,input().split())
a = [-int(i) for i in input().split()]
heapq.heapify(a) 

for i in range(m):
        heapq.heappush(a,heapq.heappop(a)/2)
 
print(sum([int(i) for i in a])*-1)
Buggy python submission (verdict: Runtime Error):
n,k= map(int,(input().split()))
b= input()
LRn=len(re.findall('LR',b))
RLn=len(re.findall('RL',b))

if min(LRn,RLn)>=k:
    ans=k*2
elif min(LRn,RLn)<=k and max(LRn,RLn)>=k:
    ans=k+min(LRn,RLn)
else:
    ans=LRn+RLn

a= list(b)
for i in range(len(a)-1):
    if a[i]==a[i+1]:
        ans +=1

print(ans)

Fixed submission:
import re

n,k= map(int,(input().split()))
b= input()
LRn=len(re.findall('LR',b))
RLn=len(re.findall('RL',b))

if min(LRn,RLn)>=k:
    ans=k*2
elif min(LRn,RLn)<=k and max(LRn,RLn)>=k:
    ans=k+min(LRn,RLn)
else:
    ans=LRn+RLn

a= list(b)
for i in range(len(a)-1):
    if a[i]==a[i+1]:
        ans +=1

print(ans)
Buggy python submission (verdict: Runtime Error):
a,b = map(int,input().split())

print(max(a+b,a*b,a-B))

Fixed submission:
a,b = map(int,input().split())

print(max(a+b,a*b,a-b))
Buggy python submission (verdict: Runtime Error):
    A, B, C = map(int,input().split())
    if B+C-A < 0:
        print('0')
    else:
        print(B+C-A)

Fixed submission:
# -*- coding: utf-8 -*-

a, b, c = map(int, input().split())
if b + c - a > 0:
    print(b + c - a)
else:
    print(0)
Buggy python submission (verdict: Runtime Error):
N = int(input())
kekka = 0
for i in range(1:N+1):
    if len(str(i)) % 2 == 1:
        kekka += 1

print(kekka)

Fixed submission:
N = int(input())
kekka = 0
for i in range(1,N+1):
    if len(str(i)) % 2 == 1:
        kekka += 1

print(kekka)

Buggy python submission (verdict: Runtime Error):
N = int(input())
kekka = 0
for i in range(1:N+1):
    if len(str(i)) % 2 == 1:
        kekka += 1


Fixed submission:
N = int(input())
kekka = 0
for i in range(1,N+1):
    if len(str(i)) % 2 == 1:
        kekka += 1

print(kekka)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
H = list(map(int,input().split()))
kekka = 'Yes'
if N != 1:
    for i in range(1,N):
        if max(H[0:i]) - 1 > H[i]:
            kekka = 'No'
print(kekka)

Fixed submission:
N = int(input())
H = list(map(int, input().split()))
kekka='Yes'
maxx = 0
for i in range(N):
    if H[i] < maxx -1:
        kekka = 'No'
        break
    else:
        maxx = max(H[i],maxx)
print(kekka)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
H = list(map(int,input().split()))
kekka = 'Yes'
for i in range(1,N):
    if max(H[0:i]) - 1 > H[i]:
        kekka = 'No'
print(kekka)

Fixed submission:
N = int(input())
H = list(map(int, input().split()))
kekka='Yes'
maxx = 0
for i in range(N):
    if H[i] < maxx -1:
        kekka = 'No'
        break
    else:
        maxx = max(H[i],maxx)
print(kekka)
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]

dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2])

print(dp[n] % 1000000007)

Fixed submission:
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]
a = set(a)
dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2])

print(dp[n] % 1000000007)

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]

dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2]) % 1000000007

print(dp[n])

Fixed submission:
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]
a = set(a)
dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2])

print(dp[n] % 1000000007)

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]

dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2]) % 1000000007

print(dp[n])

Fixed submission:
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]
a = set(a)
dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2])

print(dp[n] % 1000000007)

Buggy python submission (verdict: Runtime Error):
dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2]) % 1000000007

print(dp[n])

Fixed submission:
n, m = map(int,input().split())
a = [int(input()) for i in range(m)]
a = set(a)
dp = [0] * (n+1)
dp[0] = 1

for i in range( 1, n+1):
    if i in a:
        dp[i]= 0
    else:
        dp[i]= (dp[i-1] + dp[i-2])

print(dp[n] % 1000000007)
Buggy python submission (verdict: Runtime Error):
def dfs(s):
    if int(s)>n:
        return 0
    ret = 1 if all(s.count(c) > 0 for c in '753') else 0
    for c in '753':
        ret += dfs(s+c)
    return ret

print(dfs('0'))


Fixed submission:
n = int(input())

def dfs(s):
    if int(s)>n:
        return 0
    ret = 1 if all(s.count(c) > 0 for c in '753') else 0
    for c in '753':
        ret += dfs(s+c)
    return ret

print(dfs('0'))
Buggy python submission (verdict: Runtime Error):
print((int(input())-1) * (int(input())-1))

Fixed submission:
a,b=map(int,input().split())
print((a-1)*(b-1))
Buggy python submission (verdict: Runtime Error):
N = int(input())
ans=1
for i in range(1:32):
    for j in range(1:10):
        if i**j <= N:
            ans = max(ans,i**j)
        else:
            break
print(ans)

Fixed submission:
N = int(input())
ans=1
for i in range(1,32):
    for j in range(2,10):
        if i**j <= N:
            ans = max(ans,i**j)
        else:
            break
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
for i in range(1:32):
    for j in range(1:10):
        if i**j <= N:
            ans = max(ans,i**j)
print(ans)

Fixed submission:
N = int(input())
ans=1
for i in range(1,32):
    for j in range(2,10):
        if i**j <= N:
            ans = max(ans,i**j)
        else:
            break
print(ans)
Buggy python submission (verdict: Runtime Error):
_=input()
print('Three' if len(set(map(int, input().split())))==3 else 'Four')

Fixed submission:
_=input()
print('Three' if len(set(map(str, input().split())))==3 else 'Four')

Buggy python submission (verdict: Runtime Error):
_=input()
print('Three' if set(map(int, input().split()))==3 else 'Four')

Fixed submission:
_=input()
print('Three' if len(set(map(str, input().split())))==3 else 'Four')
Buggy python submission (verdict: Runtime Error):
a= int(intpu().replace(" ",""))

print("Yes" if a == int(a**.5)**2 else "No")

Fixed submission:
a= int(input().replace(" ",""))

print("Yes" if a == int(a**.5)**2 else "No")
Buggy python submission (verdict: Runtime Error):
n=int(input())
print('Yes' if n%sum(map(int,n))==0 else 'No')

Fixed submission:
n=input()
print('Yes' if int(n)%sum(map(int,n))==0 else 'No')
Buggy python submission (verdict: Runtime Error):
N = int(input())

a =[0]*86
a[0] = 2
a[1] = 1

for i in range(2,86):
    a[i]=a[i-2]+a[i-1]

print(a[N] )


Fixed submission:
N = int(input())

a =[0]*87
a[0] = 2
a[1] = 1

for i in range(2,87):
    a[i]=a[i-2]+a[i-1]

print(a[N] )
Buggy python submission (verdict: Runtime Error):
print(max(o,eval(input().replace(" ","-"))))

Fixed submission:
print(max(0,eval(input().replace(" ","-"))))
Buggy python submission (verdict: Runtime Error):
print((int(input())-1)*(int(input()-1))

Fixed submission:
a,b = map(int,input().split())
print((a-1)*(b-1))
Buggy python submission (verdict: Runtime Error):
from fractions import gcd

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

agcd = gcd(*a)

if max(a) > k and k%agcd ==0:
  print('POSSIBLE')
else:
  print('IMPOSSIBLE')

Fixed submission:
from fractions import gcd
from functools import reduce

def gcdd(*numbers):
    return reduce(gcd, numbers)

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

agcd = gcdd(*a)

if max(a) >= k and k%agcd ==0:
  print('POSSIBLE')
else:
  print('IMPOSSIBLE')
Buggy python submission (verdict: Runtime Error):
n, k = map(int,input().split())
print(sum(sorted(list(map(int,input().split())).reverse=True)[0:k]))

Fixed submission:
n, k = map(int,input().split())
print(sum(sorted(list(map(int,input().split())),reverse=True)[0:k]))
Buggy python submission (verdict: Runtime Error):
n=int(input())
a= list(map(int,input().split()))
print(*a[::-2],*a[n%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Runtime Error):
n=int(input())
a= list(map(int,input().split()))
print(*a[::-2],*a[n%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Runtime Error):
N=int(input())
A=list(map(int,input().split()))
print(*A[::-2],*A[N%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Runtime Error):
n=int(input())
a= list(map(int,input().split()))
print(*a[::-2],*a[n%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Runtime Error):
n=int(input())
a= list(map(int,input().split()))
print(*a[::-2],*a[n%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Runtime Error):
n=int(input())
a= list(map(int,input().split()))
print(*a[::-2],*a[n%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Runtime Error):
n=int(input())
a= list(map(int,input().split()))
print(*a[::-2],*a[a%2::2])

Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a= list(map(int,input().split()))
b=[]

for i in a:
    b.append(i)
    b=b[::-1]
print(*b)


Fixed submission:
n=int(input())
a= list(map(int,input().split()))
if n%2 ==1:
    ans = a[::-2]+a[1::2]
else:
    ans = a[::-2]+a[0::2]
print(*ans)
Buggy python submission (verdict: Runtime Error):
o = input()
e = input()+[""]

for x,y in zip(o,e):
  print(x+y,end="")

Fixed submission:
o = list(input())
e = list(input())+[""]

for x,y in zip(o,e):
  print(x+y,end="")
Buggy python submission (verdict: Runtime Error):
s = input()
ans=[]
for i in range(len(s)):
    if s[i]=='B':
        ans.pop()
    else:
        ans.append(s[i])
print(''.join(ans))

Fixed submission:
s = input()
ans=[]
for i in range(len(s)):
    if s[i]=='B' and len(ans)!=0:
        ans.pop()
    elif s[i]=='B' and len(ans)==0:
        continue
    else:
        ans.append(s[i])

print(''.join(ans))
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import *
from math import gcd

k = int(input())
if gcd(k, 10) == 1:
    i = 0
    while True:
        i += 1
        rep = (10 ** i // 9) * 7
        if rep % k == 0:
            print(i)
            break
else:
    print(-1)


Fixed submission:
from itertools import *
from math import gcd

k = int(input())
if gcd(k, 10) == 1:
    i = 0
    r = 0
    while True:
        i += 1
        r = (10*r+7)%k
        if r == 0:
            print(i)
            break
else:
    print(-1)
Buggy python submission (verdict: Runtime Error):
P = 10**9+7
fac = [1]
ifac = [1]
ff = 1
for i in range(1,200001):
  ff *= i
  ff %= p
  fac.append(ff)
  ifac.append(pow(ff, p-2, p))
def ncr(n, r, p): 
  return (fac[n] * ifac[r] % p * ifac[n-r] % p)

h,w,a,b = map(int,input().split())
s = 0
nC = b-1
kC = 0
nD = w-b-1+h-1
kD = h-1
for i in range(h-a):
  C = ncr(nC, kC, P)
  D = ncr(nD, kD, P)
  s = (s + C * D) % P
  nC += 1
  kC += 1
  kD -= 1
  nD -= 1
print(s)


Fixed submission:
a = list(map(int, input().split()))
print('YES' if list(sorted(a)) == [5,5,7] else 'NO')
Buggy python submission (verdict: Runtime Error):
P = 10**9+7
fac = [1]
ifac = [1]
ff = 1
for i in range(1,200001):
  ff *= i
  ff %= p
  fac.append(ff)
  ifac.append(pow(ff, p-2, p))
def ncr(n, r, p): 
  return (fac[n] * ifac[r] % p * ifac[n-r] % p);

h,w,a,b = map(int,input().split())
s = 0
nC = b-1
kC = 0
nD = w-b-1+h-1
kD = h-1
for i in range(h-a):
  C = ncr(nC, kC, P)
  D = ncr(nD, kD, P)
  s = (s + C * D) % P
  nC += 1
  kC += 1
  kD -= 1
  nD -= 1
print(s)


Fixed submission:
from math import comb
h,w,a,b = map(int,input().split())
s = 0
nC = b-1
kC = 0
nD = w-b-1+h-1
kD = h-1
p = 1000000007
fac = [1]
ff = 1
for i in range(1,200001):
  ff *= i
  ff %= p
  fac.append(ff)
def ncr(n, r, p): 
  return (fac[n] * pow(fac[r], p-2, p) % p * pow(fac[n-r], p-2, p) % p);

for i in range(h-a):
  C = ncr(nC, kC, 1000000007)
  D = ncr(nD, kD, 1000000007)
  s = (s + C * D) % 1000000007
  nC += 1
  kC += 1
  kD -= 1
  nD -= 1
print(s)