Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
# input
b = int(input())
a = []
for i in range(9):
    for j in range(9):
        a.append((i+1)*(j+1))

if b in set(a)
    print('Yes')
else:
    print('No')

Fixed submission:
# -*- coding: utf-8 -*-
# input
b = int(input())
a = []
for i in range(9):
    for j in range(9):
        a.append((i+1)*(j+1))

if b in set(a):
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
print(int(3*(int(input()**2)))


Fixed submission:
a=int(input())
print(3*(a*a))
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
# input
a, b = map(int, input().split())
s = input()
print(s[:b-1]+s[b-1:b].lower()+s[b:a]

Fixed submission:
a, b = map(int, input().split())
s = input()
print(s[:b-1]+s[b-1:b].lower()+s[b:a])
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-
# input
a = int(input())
s = 0
bc = 0
ac = 0
tc = 0
for i in range(a):
    t = input()
    s += t.count('AB')
    if t[:1] == 'B':
        bc += 1
    if t[-1:] == 'A':
        ac += 1
    if t[:1] == 'B' or t[-1:] == 'A':
        tc += 1
if min(bc, ac) == tc and tc > 0:
    o = s + min(bc, ac)-1
else:
    o = s + min(bc, ac)
print(o)

Fixed submission:
# -*- coding: utf-8 -*-
# input
#a = int(input())
#a,b = input()
a, b = map(int, input().split())
#a, b, c = input().split()
print(a-b+1)
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
import re
# input
n, q = map(int, input().split())
#a = [0 for i in range(n)]
a = []
s = input()
for k in range(n):
    a.append(1) if s[k:k+2] == 'AC' else a.append(0)
# for m in re.finditer('AC', s):
#    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(sum(a[l-1:r-1]))

Fixed submission:
# input
n, q = map(int, input().split())
a = [0 for i in range(n+1)]
s = input()
for i in range(n):
    a[i+1] = a[i] + (1 if s[i:i+2] == 'AC' else 0)
# for m in re.finditer('AC', s):
#    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(a[r-1]-a[l-1])

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
import re
# input
n, q = map(int, input().split())
a = [0 for i in range(n)]
s = input()
for m in re.finditer('AC', s):
    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(sum(a[l-1:r-1]))

Fixed submission:
# input
n, q = map(int, input().split())
a = [0 for i in range(n+1)]
s = input()
for i in range(n):
    a[i+1] = a[i] + (1 if s[i:i+2] == 'AC' else 0)
# for m in re.finditer('AC', s):
#    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(a[r-1]-a[l-1])

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
import re
# input
n, q = map(int, input().split())
a = [0 for i in range(n)]
s = input()
for m in re.finditer('AC', s):
    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    output = 0
    for j in range(l-1, r-1):
        output += a[j]
    print(output)

Fixed submission:
# input
n, q = map(int, input().split())
a = [0 for i in range(n+1)]
s = input()
for i in range(n):
    a[i+1] = a[i] + (1 if s[i:i+2] == 'AC' else 0)
# for m in re.finditer('AC', s):
#    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(a[r-1]-a[l-1])

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
import re
# input
n, q = map(int, input().split())
s = input()
startPosition = [m.start() for m in re.finditer('AC', s)]
for i in range(q):
    l, r = map(int, input().split())
    print(len([j for j in startPosition if (j >= l-1 and j <= r-2)]))

Fixed submission:
# input
n, q = map(int, input().split())
a = [0 for i in range(n+1)]
s = input()
for i in range(n):
    a[i+1] = a[i] + (1 if s[i:i+2] == 'AC' else 0)
# for m in re.finditer('AC', s):
#    a[m.start()] = 1
for i in range(q):
    l, r = map(int, input().split())
    print(a[r-1]-a[l-1])
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
n,p = input().split()
n = int(n)
p = int(p)
i = 2
a = o = 1
while a<p:
    a = i**n
    if p%a==0:
        o = i
    i += 1
print(o)

Fixed submission:
# -*- coding: utf-8 -*-
n,p = list(map(int,input().split())) 
i = a = o = 1
m = round(p**(1/n))
for i in range(m,0,-1):
    a = i**n
    if p%a==0:
        print(i)
        exit()

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
n,p = input().split()
n = int(n)
p = int(p)
i = 2
a = o = 1
while a<p:
    a = i**n
    if p%a==0:
        o = i
    i += 1
print(o)

Fixed submission:
# -*- coding: utf-8 -*-
n,p = list(map(int,input().split())) 
i = a = o = 1
m = round(p**(1/n))
for i in range(m,0,-1):
    a = i**n
    if p%a==0:
        print(i)
        exit()

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
n,p = input().split()
n = int(n)
p = int(p)
i = a = o = 1
while a<p:
    a = i**n
    if p%a==0:
        o = i
    i += 1
print(o)

Fixed submission:
# -*- coding: utf-8 -*-
n,p = list(map(int,input().split())) 
i = a = o = 1
m = round(p**(1/n))
for i in range(m,0,-1):
    a = i**n
    if p%a==0:
        print(i)
        exit()
Buggy python submission (verdict: Runtime Error):
a=list(input())
for i in RANGE(3):
  if a[i]=='1':
    a[i]='9'
  elif a[i]=='9':
    a[i]='1'
print(a[0]+a[1]+a[2])


Fixed submission:
a=list(input())
for i in range(3):
  if a[i]=='1':
    a[i]='9'
  elif a[i]=='9':
    a[i]='1'
print(a[0]+a[1]+a[2])

Buggy python submission (verdict: Runtime Error):
a=input()
for i in RANGE(3):
  if a[i]=='1':
    a[i]='9'
  elif a[i]=='9':
    a[i]=='1'
print(a)


Fixed submission:
a=list(input())
for i in range(3):
  if a[i]=='1':
    a[i]='9'
  elif a[i]=='9':
    a[i]='1'
print(a[0]+a[1]+a[2])
Buggy python submission (verdict: Runtime Error):
a=input()
if int(a) <= int(a[0])*111:
  print(int(a[0])*111)
else:
  print((int(a[0])+1)*111


Fixed submission:
a=input()
if int(a) <= int(a[0])*111:
  print(int(a[0])*111)
else:
  print((int(a[0])+1)*111)

Buggy python submission (verdict: Runtime Error):
a=input()
if int(a) < int(a[0])*111:
  print(int(a[0])*111)
else:
  print((int(a[0])+1)*111

Fixed submission:
a=input()
if int(a) <= int(a[0])*111:
  print(int(a[0])*111)
else:
  print((int(a[0])+1)*111)
Buggy python submission (verdict: Runtime Error):
a,b,c=map(int,input().split())
if (a*b)%2==0:
  print('No')
else:
  print('Yes')

Fixed submission:
a,b=map(int,input().split())
if (a*b)%2==0:
  print('No')
else:
  print('Yes')
Buggy python submission (verdict: Runtime Error):
a =list(map(int,input().split()))
print(max(a)-min(b))


Fixed submission:
a =list(map(int,input().split()))
print(max(a)-min(a))
Buggy python submission (verdict: Runtime Error):
a=input()
o=0
for i in range(len(a)):
  o+=1 if a[i]=='+' else o-=1
print(o)

Fixed submission:
# -*- coding: utf-8 -*-
# input
a = input()
o = 0
for i in range(len(a)):
    if a[i] == '+':
        o += 1
    else:
        o -= 1
print(o)

Buggy python submission (verdict: Runtime Error):
a=list(input())
o=0
for i in range(4):
  o+=1 if a[i]=='+' else o-=1
print(o)

Fixed submission:
# -*- coding: utf-8 -*-
# input
a = input()
o = 0
for i in range(len(a)):
    if a[i] == '+':
        o += 1
    else:
        o -= 1
print(o)
Buggy python submission (verdict: Runtime Error):
print('Yes' if all(input().count(t)>0 for t in 'abc') else 'No')

Fixed submission:
a=input()
print('Yes' if all(a.count(t)>0 for t in 'abc') else 'No')
Buggy python submission (verdict: Runtime Error):
a,b =map(int,input().split())
for i in range(b//(10000*a))[::-1]:
  for j in range((b-10000*i)//(5000*(a-i))[::-1]:
    for k in range((b-10000*i-5000*j)//(1000*(a-i-j)))[::-1]:
      if b == i*10000+j*5000+k*1000:
        break
if i==j==k==0:
   print(-1,-1,-1)
else:
   print(i,j,k)
  

Fixed submission:
a, b = map(int, input().split())
o1 = o2 = o3 = -1
for i in range(a+1):
    for j in range(a-i+1):
        k = a-i-j
        if b == i*10000+j*5000+k*1000:
            o1 = i
            o2 = j
            o3 = k
            break
print(o1, o2, o3)
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-
#
# A - STring
#
# input
x_before = input()
x_after = ''
# calc
while True:
  x_after = x_before.replace('ST', '')
  if len(x_before) == len(x_after):
    break
  x_before = x_after
# output
print(len(x_after))

Fixed submission:
# -*- coding: utf-8 -*-
#
# A - STring
#
# input
x = list(input())
n = 0
# calc
for i in range(len(x)):
  if x[i] == 'S':
    n += 1
  elif n>0:
    n -= 1
# output
print(n*2)
Buggy python submission (verdict: Runtime Error):
a = input()
print(a+a*a+a*a*a)


Fixed submission:
a = int(input())
print(a+a*a+a*a*a)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int, input().split()))
q = int(input())
B,C = [], []

for _ in range(q):
    b, c = list(map(int, input().split()))
    B.append(b)
    C.append(c)

d = {}
for a in A:
    d.setdefault(a, 0)
    d[a] += 1
for b, c in zip(B,C):
    d.setdefault(b, 0)
    d.setdefault(c, 0)
    d[c] += d[b]
    d[b] = 0
    ans = 0
    for i, v in d.items():
        ans += i*v
    print(ans)


Fixed submission:
n = int(input())
A = list(map(int, input().split()))
q = int(input())
B,C = [], []

for _ in range(q):
    b, c = list(map(int, input().split()))
    B.append(b)
    C.append(c)

ans = sum(A)

d = {}
for a in A:
    d.setdefault(a, 0)
    d[a] += 1

for b, c in zip(B,C):
    d.setdefault(b, 0)
    d.setdefault(c, 0)
    ans -= d[c] * c
    ans -= d[b] * b
    d[c] += d[b]
    d[b] = 0
    ans += d[c] * c
    ans += d[b] * b
    print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int, input().split()))
q = int(input())
B,C = [], []

for _ in range(q):
    b, c = list(map(int, input().split()))
    B.append(b)
    C.append(c)


for b, c in zip(B,C):
    ans = 0
    for i, a in enumerate(A):
        if a == b:
            ans += c
            A[i] = c
        else:
            ans += a
    print(ans)


Fixed submission:
n = int(input())
A = list(map(int, input().split()))
q = int(input())
B,C = [], []

for _ in range(q):
    b, c = list(map(int, input().split()))
    B.append(b)
    C.append(c)

ans = sum(A)

d = {}
for a in A:
    d.setdefault(a, 0)
    d[a] += 1

for b, c in zip(B,C):
    d.setdefault(b, 0)
    d.setdefault(c, 0)
    ans -= d[c] * c
    ans -= d[b] * b
    d[c] += d[b]
    d[b] = 0
    ans += d[c] * c
    ans += d[b] * b
    print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int, input().split()))
q = int(input())
B,C = [], []

for _ in range(q):
    b, c = list(map(int, input().split()))
    B.append(b)
    C.append(c)


for b, c in zip(B,C):
    ans = 0
    for i, a in enumerate(A):
        if a == b:
            ans += c
            A[i] = c
        else:
            ans += a
    print(ans)


Fixed submission:
n = int(input())
A = list(map(int, input().split()))
q = int(input())
B,C = [], []

for _ in range(q):
    b, c = list(map(int, input().split()))
    B.append(b)
    C.append(c)

ans = sum(A)

d = {}
for a in A:
    d.setdefault(a, 0)
    d[a] += 1

for b, c in zip(B,C):
    d.setdefault(b, 0)
    d.setdefault(c, 0)
    ans -= d[c] * c
    ans -= d[b] * b
    d[c] += d[b]
    d[b] = 0
    ans += d[c] * c
    ans += d[b] * b
    print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int, input().split()))

dp = [True for _ in range(N)]
for i in range(N):
    for j in range(N):
        if i == j: continue
        if A[i] % A[j] == 0:
            dp[i] = False
            break


ans = 0
for i,v in enumerate(dp):
    if v:
        ans += 1

print(ans)


Fixed submission:
N = int(input())
A = list(map(int, input().split()))

limit = max(A) + 1

dp = [True] * (limit + 1)
d = {}

for i in A:
    p = 2
    while i*p<=limit:
        dp[i*p] = False
        p += 1
    d.setdefault(i, 0)
    d[i] += 1

ans = []
for i in A:
    if dp[i] and d[i] == 1:
        ans.append(i)
print(len(ans))
Buggy python submission (verdict: Time Limit Exceeded):
N = input()
A = list(map(int, input().split()))

ans = 1
for a in A:
  ans *= a

if ans < 10**18 + 1:
  print (ans)
else:
  print (-1)

Fixed submission:
N = input()
A = list(map(int, input().split()))

if 0 in A:
  print (0)
  exit()
ans = 1
for a in A:
  ans *= a
  if ans > 10**18:
    print (-1)
    exit()
print (ans)
Buggy python submission (verdict: Time Limit Exceeded):
import decimal
import math

N = int(input())

ans = 0
loop = min(N//2, 10**12)
for i in range(2, loop):
  if N % i == 0:
    ans += 1
    N = (N // i)

print (ans)

Fixed submission:
import decimal
import math

N = int(input())
i = 2
counter = {}
while i * i < N:
  cnt = 0
  while N % i == 0:
    cnt += 1
    N //= i
  counter[i] = cnt
  i += 1

if N != 1:
  counter.setdefault(N, 0)
  counter[N] += 1
#print (counter)

ans = 0

for i, v in counter.items():
  p = 1
  while True:
    if v - p >= 0:
      #print (i**p)
      v -= p
      ans += 1
      p += 1
    else:
      break

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

for i in range(1, n+1):
    cnt = 0
    for j in a:
        if i == j:
            cnt += 1
    print(cnt)


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

cnt = {}
for i in a:
    cnt.setdefault(i, 0)
    cnt[i] += 1

for i in range(1, n+1):
    cnt.setdefault(i, 0)
    print(cnt[i])
Buggy python submission (verdict: Time Limit Exceeded):
K = int(input())

def gcd(a, b):
    if a == 0 or b == 0:
        return max(a,b)
    x, y = min(a,b), max(a,b)
    return gcd(x,y%x )

ans = 0
for a in range(1, K+1):
    for b in range(1, K+1):
        x = gcd(a,b)
        for c in range(1, K+1):
            ans += gcd(x,c)
print(ans)


Fixed submission:
K = int(input())

def gcd(a, b):
    if a == 0 or b == 0:
        return max(a,b)
    x, y = min(a,b), max(a,b)
    return gcd(x,y%x )

ans = 0
for a in range(1, K+1):
    for b in range(1, K+1):
        x = gcd(a,b)
        for c in range(1, K+1):
            ans += gcd(x,c)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
k, n = map(int, input().split())
a = list(map(int, input().split()))

d = [0] * (len(a)) 

for i in range(n):
    if i == 0:
        d[i] = k - a[-1]
        continue
    d[i] = a[i]-a[i-1]

d += d
ans = 1001001001
for i in range(len(d)-n+1):
    ans = min(ans, sum(d[i:i+n-1]))
print(ans)


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

[k-a[-1]+a[0]]
d = []

for i in range(n):
    if i>0:
        d.append(a[i]-a[i-1])
d.append(k-a[-1]+a[0])
print(k-max(d))
Buggy python submission (verdict: Runtime Error):
N = int(input())
List = [int(i) for i in input().split()]
count = 0
for j in range(N):
    if(List[j] != j+1):
        count+=1
if(count <= 2):
    print("YES")
else:
    print("NO")


Fixed submission:
A,B=(int(x) for x in input().split())
C = int((A + B))

if(C%2 == 1):
    print("IMPOSSIBLE")
else:
    K = C / 2
    print(int(K))

Buggy python submission (verdict: Runtime Error):
A = int(input())
B = int(input())
C = int((A + B))

if(C%2 == 1):
    print("IMPOSSIBLE")
else:
    K = C / 2
    print(int(K))

Fixed submission:
A,B=(int(x) for x in input().split())
C = int((A + B))

if(C%2 == 1):
    print("IMPOSSIBLE")
else:
    K = C / 2
    print(int(K))

Buggy python submission (verdict: Runtime Error):
A = int(input())
B = int(input())
C = (A + B)

if(C%2 == 1):
    print("IMPOSSIBLE")
else:
    K = C / 2
    print(int(K))

Fixed submission:
A,B=(int(x) for x in input().split())
C = int((A + B))

if(C%2 == 1):
    print("IMPOSSIBLE")
else:
    K = C / 2
    print(int(K))
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10**6)
from math import floor,ceil,sqrt,factorial,log,gcd
from heapq import heappop, heappush, heappushpop
from collections import Counter,defaultdict,deque
from itertools import accumulate,permutations,combinations,product,combinations_with_replacement
from bisect import bisect_left,bisect_right
from copy import deepcopy
from operator import itemgetter
from fractions import gcd
mod = 10 ** 9 + 7
inf = float('inf')
ninf = -float('inf')

#Pythonを用いる場合
#numpy 1.18.0, scipy 1.4.1, scikit-learn 0.22, numba 0.47.0, networkx 2.4
 
import numpy as np
from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson
from scipy.sparse import csr_matrix

 
#整数input
def ii(): return int(sys.stdin.readline().rstrip()) #int(input())
def mii(): return map(int,sys.stdin.readline().rstrip().split())
def limii(): return list(mii()) #list(map(int,input().split()))
def lin(n:int): return [ii() for _ in range(n)]
def llint(n: int): return [limii() for _ in range(n)]
#文字列input
def ss(): return sys.stdin.readline().rstrip() #input()
def mss(): return sys.stdin.readline().rstrip().split()
def limss(): return list(mss()) #list(input().split())
def lst(n:int): return [ss() for _ in range(n)]
def llstr(n: int): return [limss() for _ in range(n)]

#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？

a=ii()

if 65<= ord(a) <=90:
    print("A")
else:
    print("a")

Fixed submission:
import sys
sys.setrecursionlimit(10**6)
from math import floor,ceil,sqrt,factorial,log,gcd
from heapq import heappop, heappush, heappushpop
from collections import Counter,defaultdict,deque
from itertools import accumulate,permutations,combinations,product,combinations_with_replacement
from bisect import bisect_left,bisect_right
from copy import deepcopy
from operator import itemgetter
from fractions import gcd
mod = 10 ** 9 + 7
inf = float('inf')
ninf = -float('inf')

#Pythonを用いる場合
#numpy 1.18.0, scipy 1.4.1, scikit-learn 0.22, numba 0.47.0, networkx 2.4
 
import numpy as np
from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson
from scipy.sparse import csr_matrix

 
#整数input
def ii(): return int(sys.stdin.readline().rstrip()) #int(input())
def mii(): return map(int,sys.stdin.readline().rstrip().split())
def limii(): return list(mii()) #list(map(int,input().split()))
def lin(n:int): return [ii() for _ in range(n)]
def llint(n: int): return [limii() for _ in range(n)]
#文字列input
def ss(): return sys.stdin.readline().rstrip() #input()
def mss(): return sys.stdin.readline().rstrip().split()
def limss(): return list(mss()) #list(input().split())
def lst(n:int): return [ss() for _ in range(n)]
def llstr(n: int): return [limss() for _ in range(n)]

#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？

a=ss()

if 65<= ord(a) <=90:
    print("A")
else:
    print("a")
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10**6)
from math import floor,ceil,sqrt,factorial,log
from heapq import heappop, heappush, heappushpop
from collections import Counter,defaultdict,deque
from itertools import accumulate,permutations,combinations,product,combinations_with_replacement
from bisect import bisect_left,bisect_right
from copy import deepcopy
from operator import itemgetter
from fractions import gcd
mod = 10 ** 9 + 7
inf = float('inf')
ninf = -float('inf')
 
#整数input
def ii(): return int(sys.stdin.readline().rstrip()) #int(input())
def mii(): return map(int,sys.stdin.readline().rstrip().split())
def limii(): return list(mii()) #list(map(int,input().split()))
def lin(n:int): return [ii() for _ in range(n)]
def llint(n: int): return [limii() for _ in range(n)]
#文字列input
def ss(): return sys.stdin.readline().rstrip() #input()
def mss(): return sys.stdin.readline().rstrip().split()
def limss(): return list(mss()) #list(input().split())
def lst(n:int): return [ss() for _ in range(n)]
def llstr(n: int): return [limss() for _ in range(n)]

#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？

n=ii()
arr=limii()
ans=1

for i in arr:
    ans*=i
if ans<=10**18:
    print(ans)
else:
    print(-1)


Fixed submission:
import sys
sys.setrecursionlimit(10**6)
from math import floor,ceil,sqrt,factorial,log
from heapq import heappop, heappush, heappushpop
from collections import Counter,defaultdict,deque
from itertools import accumulate,permutations,combinations,product,combinations_with_replacement
from bisect import bisect_left,bisect_right
from copy import deepcopy
from operator import itemgetter
from fractions import gcd
mod = 10 ** 9 + 7
inf = float('inf')
ninf = -float('inf')
 
#整数input
def ii(): return int(sys.stdin.readline().rstrip()) #int(input())
def mii(): return map(int,sys.stdin.readline().rstrip().split())
def limii(): return list(mii()) #list(map(int,input().split()))
def lin(n:int): return [ii() for _ in range(n)]
def llint(n: int): return [limii() for _ in range(n)]
#文字列input
def ss(): return sys.stdin.readline().rstrip() #input()
def mss(): return sys.stdin.readline().rstrip().split()
def limss(): return list(mss()) #list(input().split())
def lst(n:int): return [ss() for _ in range(n)]
def llstr(n: int): return [limss() for _ in range(n)]

#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？

n=ii()
arr=limii()
ans=1

if 0 in arr:
    print(0)
    exit()

for i in arr:
    ans*=i
    if ans>10**18:
        print(-1)
        exit()
if ans<=10**18:
    print(ans)
else:
    print(-1)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10**6)
from math import floor,ceil,sqrt,factorial,log
from heapq import heappop, heappush, heappushpop
from collections import Counter,defaultdict,deque
from itertools import accumulate,permutations,combinations,product,combinations_with_replacement
from bisect import bisect_left,bisect_right
from copy import deepcopy
from operator import itemgetter
from fractions import gcd
mod = 10 ** 9 + 7
inf = float('inf')
ninf = -float('inf')
 
#整数input
def ii(): return int(sys.stdin.readline().rstrip()) #int(input())
def mii(): return map(int,sys.stdin.readline().rstrip().split())
def limii(): return list(mii()) #list(map(int,input().split()))
def lin(n:int): return [ii() for _ in range(n)]
def llint(n: int): return [limii() for _ in range(n)]
#文字列input
def ss(): return sys.stdin.readline().rstrip() #input()
def mss(): return sys.stdin.readline().rstrip().split()
def limss(): return list(mss()) #list(input().split())
def lst(n:int): return [ss() for _ in range(n)]
def llstr(n: int): return [limss() for _ in range(n)]

#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？

a,b,c,k=mii()


ans=0
for i in range(k):
    if a>0:
        ans+=1
        a-=1
    elif b>0:
        b-=1
    else:
        ans-=1
        c-=1
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10**6)
from math import floor,ceil,sqrt,factorial,log
from heapq import heappop, heappush, heappushpop
from collections import Counter,defaultdict,deque
from itertools import accumulate,permutations,combinations,product,combinations_with_replacement
from bisect import bisect_left,bisect_right
from copy import deepcopy
from operator import itemgetter
from fractions import gcd
mod = 10 ** 9 + 7
inf = float('inf')
ninf = -float('inf')
 
#整数input
def ii(): return int(sys.stdin.readline().rstrip()) #int(input())
def mii(): return map(int,sys.stdin.readline().rstrip().split())
def limii(): return list(mii()) #list(map(int,input().split()))
def lin(n:int): return [ii() for _ in range(n)]
def llint(n: int): return [limii() for _ in range(n)]
#文字列input
def ss(): return sys.stdin.readline().rstrip() #input()
def mss(): return sys.stdin.readline().rstrip().split()
def limss(): return list(mss()) #list(input().split())
def lst(n:int): return [ss() for _ in range(n)]
def llstr(n: int): return [limss() for _ in range(n)]

#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？
#本当に貪欲法か？ DP法では？？

a,b,c,k=mii()


ans=0

for i,abc in [[a,"a"],[b,"b"],[c,"c"]]:
    if k<i:
        if abc=="a":
            ans+=k
            k=0
        elif abc=="b":
            ans+=0
            k=0
        else:
            ans-=k
            k=0
    else:
        if abc=="a":
            ans+=a
            k-=a
        elif abc=="b":
            ans+=0
            k-=b
        else:
            ans-=c
            k-=c
    if k==0:
        print(ans)
        exit()
print(ans)