Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
h,w,a,b = map(int,input().split())
s = [['0']*w for _ in range(h)]

if a == 0 and b == 0:
    print(0)
    exit()
elif a == 0:
    for i in range(b):
        print('1'*w)
    for i in range(h-b):
        print('0'*w)
    exit()
elif b == 0:
    for i in range(h):
        print('1'*a + '0'*(w-a))
    exit()


for i in range(a):
    for j in range(b):
        s[i][j] = '1'

for i in range(h-a):
    for j in range(w-b):
        s[i+a][j+b] = '1'

for i in range(h):
    print(''.join(s[i][:w]))


Fixed submission:
h,w,a,b = map(int,input().split())
s = [['0']*w for _ in range(h)]

for i in range(b):
    for j in range(a):
        s[i][j] = '1'

for i in range(h-b):
    for j in range(w-a):
        s[i+b][j+a] = '1'

for i in range(h):
    print(''.join(s[i]))
Buggy python submission (verdict: Time Limit Exceeded):
import math

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

a = sorted(a)

for i in range(m):
    p = a.pop()
    p = math.floor(p/2)
    a.append(p)
    a = sorted(a)

print(sum(a))

Fixed submission:
from heapq import heappop,heappush,heapify
import math

n,m = map(int,input().split())
a = list(map(int,input().split()))
a = list(map(lambda x:-x,a))

heapify(a)

for i in range(m):
    p = heappop(a)
    heappush(a,math.ceil(p/2))

ans = 0
for _ in range(n):
    p = heappop(a)
    ans += -p

print(ans)
Buggy python submission (verdict: Runtime Error):
s = input()
t = input()

c

for i in range(3):
    if s[i] == t[i]:
        c +=1

print(c)

Fixed submission:
s = input()
t = input()

c = 0

for i in range(3):
    if s[i] == t[i]:
        c +=1

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

a = [[0] for _ in range(n)]

for i in range(n):
    a[i] = list(map(lambda x:int(x)-1,input().split()))
    a[i].append(-1)

t = [a[i][0] for i in range(n)]
l = [0]*n
used = [False]*n

head = 0
day = 0

for i in range(min(n*(n-1)//2,10**4)):
    if t == [-1]*n:
        break
    while True:
        if used[head] == False:
            used[head] = True
            if used[t[head]] == False:
                if t[t[head]] == head:
                    used[t[head]] = True
                    l[head] += 1
                    l[t[head]] += 1
                    t[t[head]] = a[t[head]][l[t[head]]]
                    t[head] = a[head][l[head]]
                    head = (head + 1)%n    
                else:
                    head = (head + 1)%n
        elif used[head] == True:
            head = (head + 1)%n
        if used == [True]*n:
            day += 1
            used = [False]*n
            break

if t != [-1]*n:
    print(-1)
    exit()

print(day)

Fixed submission:
from collections import deque

n = int(input())
a = [0]*n

for i in range(n):
    a[i] = list(map(lambda x:int(x)-1,input().split()))
    a[i].append(-1)

t = [a[i][0] for i in range(n)]

l = [0]*n
day = [0]*n

q = deque([i for i in range(n)])

while q:
    u = q.popleft()
    v = a[u][l[u]]
    if a[v][l[v]] == u:
        day[u] = day[v] = max(day[u],day[v]) + 1
        l[u] += 1
        l[v] += 1
        q.append(u)
        q.append(v)

if any(x != n-1 for x in l):
    print(-1)
    exit()

print(max(day))

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

a = [[0] for _ in range(n)]

for i in range(n):
    a[i] = list(map(lambda x:int(x)-1,input().split()))
    a[i].append(-1)

t = [a[i][0] for i in range(n)]
l = [0]*n
used = [False]*n

head = 0
day = 0

for i in range(n*(n-1)//2):
    if t == [-1]*n:
        break
    while True:
        if used[head] == False:
            used[head] = True
            if used[t[head]] == False:
                if t[t[head]] == head:
                    used[t[head]] = True
                    l[head] += 1
                    l[t[head]] += 1
                    t[t[head]] = a[t[head]][l[t[head]]]
                    t[head] = a[head][l[head]]
                    head = (head + 1)%n    
                else:
                    head = (head + 1)%n
        elif used[head] == True:
            head = (head + 1)%n
        if used == [True]*n:
            day += 1
            used = [False]*n
            break

if t != [-1]*n:
    print(-1)
    exit()

print(day)

Fixed submission:
from collections import deque

n = int(input())
a = [0]*n

for i in range(n):
    a[i] = list(map(lambda x:int(x)-1,input().split()))
    a[i].append(-1)

t = [a[i][0] for i in range(n)]

l = [0]*n
day = [0]*n

q = deque([i for i in range(n)])

while q:
    u = q.popleft()
    v = a[u][l[u]]
    if a[v][l[v]] == u:
        day[u] = day[v] = max(day[u],day[v]) + 1
        l[u] += 1
        l[v] += 1
        q.append(u)
        q.append(v)

if any(x != n-1 for x in l):
    print(-1)
    exit()

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

s = input()
t = input()

if not all(i in s for i in t):
    print(-1)
    exit()

n = len(t)
t = [[t[i],[]] for i in range(n)]

t = t[::-1]

for i in range(n):
    t[i][1] = sorted([j for j,x in enumerate(s) if x == t[i][0]])

rep = 0
ans = t[0][1][0]

tmp = t[0][1][0]

for i in range(1,n):
    x = bisect.bisect_left(t[i][1],tmp)
    if x == 0:
        rep += 1
        tmp = t[i][1][-1]
    else:
        tmp = t[i][1][x-1]

print(rep*len(s) + ans+1)
    
    




Fixed submission:
import bisect

s = input()
t = input()

sset = set(s)
tset = set(t)

if not all(i in sset for i in tset):
    print(-1)
    exit()

d = {}

for x in tset:
    d[x] = sorted([j for j,y in enumerate(s) if x == y])

rep = 0
tmp = d[t[0]][0]

n = len(t)

for i in range(1,n):
    k = d[t[i]]
    x = bisect.bisect_right(k,tmp)
    if x == len(k):
        rep += 1
        tmp = k[0]
    else:
        tmp = k[x]

print(rep*len(s) + tmp +1)
Buggy python submission (verdict: Runtime Error):
n = input()

s = len(n)

ans = 0

for i in range(0,s-1,2): 
    ans += 9*(10**i)

m = n[1:]

if s %2 != 0:
    ans += int(m)+1

print(ans)

Fixed submission:
n = input()

s = len(n)

ans = 0


if s == 1:
    print(int(n))
    exit()

for i in range(0,s-1,2): 
    ans += 9*(10**i)

if s %2 != 0:
    ans += int(n) - (10**(s-1))+1

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

if a == b and b != c and c == d:
  print('Yes')
elif a == c and b != c and b == d:
  print('Yes')
elif a == d and a != b and b == c:
  print('Yes')
else:
  print('No')

Fixed submission:
w = input()
a = w[0]
b = w[1]
c = w[2]
d = w[3]
 
if a == b and b != c and c == d:
  print('Yes')
elif a == c and b != c and b == d:
  print('Yes')
elif a == d and a != b and b == c:
  print('Yes')
else:
  print('No')
Buggy python submission (verdict: Runtime Error):
    n,l = map(int,input().split())
    if l > 0:
        print(int(n*(l-1)+n*(n+1)/2-l))
    elif l <= 0 and l +n-1 >=0:
        print(int(n*(l-1)+n*(n+1)/2))
    else:
        print(int(n*(l-1)+n*(n+1)/2-l-n+1))

Fixed submission:
def solve():
    n,l = map(int,input().split())
    if l > 0:
        print(int(n*(l-1)+n*(n+1)/2-l))
    elif l <= 0 and l +n-1 >=0:
        print(int(n*(l-1)+n*(n+1)/2))
    else:
        print(int(n*(l-1)+n*(n+1)/2-l-n+1))
    return 0

solve()
Buggy python submission (verdict: Runtime Error):
def howmany(z):
    if z == -1 or z == 0 or z == 1:
        return(1)
    elif z == 2:
        return(2)
    else:
        return howmany(z-1) + howmany(z-2)

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

x = 1
a = [0]*(m+2)
a[0] = -1
a[m+1] = n

for i in range(1,m+1):
    a[i] = int(input())

if m == 0:
    print(howmany(n))

elif all(a[i+1]-a[i] != 1 for i in range(1,m+1)):
    for i in range(1,m+1):
        x *= howmany(a[i] - a[i-1] -2)
    x *= howmany(a[m+1]-a[m]-1)
    print(x % 1000000007)

else: print(0)
    

Fixed submission:
def howmany(n):
    if n <= 1:
        return n
    result = [1, 0, 0, 1]
    matrix = [1, 1, 1, 0]
    while n > 0:
        if n % 2:
            result = mul(matrix, result)
        matrix = mul(matrix, matrix)
        n //= 2
    return result[2]

def mul(a, b):
    return [a[0]*b[0] + a[1]*b[2],
            a[0]*b[1] + a[1]*b[3],
            a[2]*b[0] + a[3]*b[2],
            a[2]*b[1] + a[3]*b[3]]


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

x = 1
a = [0]*(m+2)
a[0] = -1
a[m+1] = n

if m == 0:
    print(howmany(n+1) % 1000000007)
else:
    for i in range(1,m+1):
        a[i] = int(input())

    if all(a[i+1]-a[i] != 1 for i in range(1,m)):
        for i in range(1,m+1):
            if a[i] - a[i-1] > 1:
                x *= howmany(a[i] - a[i-1] -1)
        if a[m] + 1 == n:
            print(x % 1000000007)
        else:
            x *= howmany(a[m+1]-a[m])
            print(x % 1000000007)
    else: print(0)

Buggy python submission (verdict: Runtime Error):
def howmany(z):
    if z == -1 or z == 0 or z == 1:
        return(1)
    elif z == 2:
        return(2)
    else:
        return howmany(z-1) + howmany(z-2)

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

x = 1
a = [0]*(m+2)
a[m+1] = n

a[1] = int(input())
x *= howmany(a[1]-1)

for i in range(2,m+1):
    a[i] = int(input())
    x *= howmany(a[i] - a[i-1] -2)

x *= howmany(a[m+1]-a[m] -1)

if  all(a[i+1]-a[i] != 1 for i in range(1,m+1)):
    print(x % 1000000007)
else: print(0)
    

Fixed submission:
def howmany(n):
    if n <= 1:
        return n
    result = [1, 0, 0, 1]
    matrix = [1, 1, 1, 0]
    while n > 0:
        if n % 2:
            result = mul(matrix, result)
        matrix = mul(matrix, matrix)
        n //= 2
    return result[2]

def mul(a, b):
    return [a[0]*b[0] + a[1]*b[2],
            a[0]*b[1] + a[1]*b[3],
            a[2]*b[0] + a[3]*b[2],
            a[2]*b[1] + a[3]*b[3]]


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

x = 1
a = [0]*(m+2)
a[0] = -1
a[m+1] = n

if m == 0:
    print(howmany(n+1) % 1000000007)
else:
    for i in range(1,m+1):
        a[i] = int(input())

    if all(a[i+1]-a[i] != 1 for i in range(1,m)):
        for i in range(1,m+1):
            if a[i] - a[i-1] > 1:
                x *= howmany(a[i] - a[i-1] -1)
        if a[m] + 1 == n:
            print(x % 1000000007)
        else:
            x *= howmany(a[m+1]-a[m])
            print(x % 1000000007)
    else: print(0)
Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
a = sorted([int(x) for x in input().split()])

if n == 1:
    print(sum(a) % m)
    exit()


def chk(x):
    for i in range(2*x, 2*n):
        if i != 2*n - 1 - (i - 2*x) and a[i] + a[2*n-1-(i-2*x)] < m:
            return False
    for i in range(2*x):
        if i != 2*x-1-i and a[i] + a[2*x-1-i] >= m:
            return False
    return True


bottom = -1
top = n+1

while top - bottom > 1:
    mid = (top + bottom)//2
    if chk(mid):
        top = mid
    else:
        bottom = mid
    if top == 0:
        break

ans = -1

for i in range(2*top, 2*n):
    ans = max(ans, (a[i]+a[2*n-1-(i-2*top)]) % m)
for i in range(2*top):
    ans = max(ans, (a[i] + a[2*top-1-i]) % m)

print(ans)


Fixed submission:
n, m = map(int, input().split())
a = sorted([int(x) for x in input().split()])


def chk(x):
    for i in range(2*x, 2*n):
        if i != 2*n - 1 - (i - 2*x) and a[i] + a[2*n-1-(i-2*x)] < m:
            return False
    return True


bottom = -1
top = n

while top - bottom > 1:
    mid = (top + bottom)//2
    if chk(mid):
        top = mid
    else:
        bottom = mid

ans = -1

for i in range(2*top, 2*n):
    ans = max(ans, (a[i]+a[2*n-1-(i-2*top)]) % m)
for i in range(2*top):
    ans = max(ans, (a[i] + a[2*top-1-i]) % m)

print(ans)
Buggy python submission (verdict: Runtime Error):
a = input()

print(2* min(a.count('1'),a.count('0') )

Fixed submission:
a = input()

print(2* min(a.count('1'),a.count('0') ))
Buggy python submission (verdict: Runtime Error):
n, w = map(int, input().split())

dp = [[float('inf') for _ in range(10**5+1)] for i in range(n)]

v_sum = 0

for i in range(n):
    wi, vi = map(int, input().split())
    v_sum += vi
    if i == 0:
        dp[i][0] = 0
        dp[i][vi] = wi
    else:
        for k in range(v_sum+1):
            if k < vi:
                dp[i][k] = dp[i-1][k]
            else:
                dp[i][k] = min(dp[i-1][k], dp[i-1][k-vi]+wi)

for i in range(v_sum+1,-1,-1):
    if dp[n-1][i] <= w:
        print(i)
        exit()


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

dp = [[float('inf') for _ in range(10**5+1)] for i in range(n)]

for i in range(n):
    wi, vi = map(int, input().split())
    if i == 0:
        dp[i][0] = 0
        dp[i][vi] = wi
    else:
        for k in range(10**5+1):
            if k < vi:
                dp[i][k] = dp[i-1][k]
            else:
                dp[i][k] = min(dp[i-1][k], dp[i-1][k-vi]+wi)

for i in range(10**5+1)[::-1]:
    if dp[n-1][i] <= w:
        print(i)
        exit()
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque

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

g = [[] for _ in range(n)]
indeg = [0 for _ in range(n)]

for _ in range(m):
    x, y = map(int, input().split())
    g[x-1].append(y-1)
    indeg[y-1] += 1

q = deque([])
dp = [-1 for _ in range(n)]

for i in range(n):
    if indeg[i] == 0:
        q.append(i)
        dp[i] = 0

while q:
    v = q.popleft()
    for w in g[v]:
        if dp[w] < dp[v]+1:
            dp[w] = dp[v]+1
            q.append(w)

print(max(dp))



Fixed submission:
import sys
sys.setrecursionlimit(10 ** 7)
input = sys.stdin.readline

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

g = [[] for _ in range(n)]
indeg = [0 for _ in range(n)]

for _ in range(m):
    x, y = map(int, input().split())
    g[x-1].append(y-1)
    indeg[y-1] += 1

dp = [-1 for _ in range(n)]


def LP(v):
    if dp[v] != -1:
        return dp[v]
    ans = 0
    for w in g[v]:
        ans = max(ans, LP(w)+1)
    dp[v] = ans
    return dp[v]


for i in range(n):
    LP(i)

print(max(dp))

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())

g = [[] for _ in range(n)]
indeg = [0 for _ in range(n)]

for _ in range(m):
    x, y = map(int, input().split())
    g[x-1].append(y-1)
    indeg[y-1] += 1

dp = [-1 for _ in range(n)]
q = []

for i in range(n):
    if indeg[i] == 0:
        q.append(i)
        dp[i] = 0

while q:
    v = q.pop()
    for w in g[v]:
        dp[w] = max(dp[w], dp[v]+1)
        q.append(w)

print(max(dp))


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 7)
input = sys.stdin.readline

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

g = [[] for _ in range(n)]
indeg = [0 for _ in range(n)]

for _ in range(m):
    x, y = map(int, input().split())
    g[x-1].append(y-1)
    indeg[y-1] += 1

dp = [-1 for _ in range(n)]


def LP(v):
    if dp[v] != -1:
        return dp[v]
    ans = 0
    for w in g[v]:
        ans = max(ans, LP(w)+1)
    dp[v] = ans
    return dp[v]


for i in range(n):
    LP(i)

print(max(dp))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [[int(x) for x in input().split()] for _ in range(n)]


def bit(n, k): return (n >> k) & 1


dp = [0]*(1 << n)
flag = [False]*(1 << n)


def dfs(s):
    if flag[s] or bin(s).count("1") <= 1:
        return dp[s]
    flag[s] = True
    tmp = 0
    for i in range(n):
        for j in range(i+1, n):
            if bit(s, i) & bit(s, j):
                tmp += a[i][j]
    score = tmp
    t = (s-1) & s
    while 0 < t:
        score = max(score, dfs(t)+dfs(s ^ t))
        t = (t-1) & s
    dp[s] = score
    return dp[s]


print(dfs(2**n-1))


Fixed submission:
n = int(input())
a = [[int(x) for x in input().split()] for _ in range(n)]


def bit(n, k): return (n >> k) & 1


dp = [0]*(1 << n)
flag = [False]*(1 << n)


def dfs(s):
    if flag[s] or bin(s).count("1") <= 1:
        return dp[s]
    flag[s] = True
    tmp = 0
    for i in range(n):
        for j in range(i+1, n):
            if bit(s, i) & bit(s, j):
                tmp += a[i][j]
    score = tmp
    t = (s-1) & s
    while 0 < t:
        score = max(score, dfs(t)+dfs(s ^ t))
        t = (t-1) & s
    dp[s] = score
    return dp[s]


print(dfs(2**n-1))
Buggy python submission (verdict: Time Limit Exceeded):
from bisect import bisect_left
from bisect import bisect_right

n = int(input())
a = [int(x) for x in input().split()]
a = sorted(a)

ans = 0
visited = [False]*n

while a:
    s = a.pop()
    if visited.pop():
        continue
    m = 1
    while m <= s:
        m *= 2
    r = bisect_right(a, m-s)
    l = bisect_left(a, m-s)
    if r-l > 0:
        a.pop(r-1)
        ans += 1

print(ans)


Fixed submission:
from bisect import bisect_left
from bisect import bisect_right

n = int(input())
a = [int(x) for x in input().split()]
a = sorted(a)

ans = 0
visited = [False]*n

while a:
    s = a.pop()
    if visited.pop():
        continue
    m = 1
    while m <= s:
        m *= 2
    r = bisect_right(a, m-s)
    l = bisect_left(a, m-s)
    for x in range(l, r)[::-1]:
        if not visited[x]:
            visited[x] = True
            ans += 1
            break

print(ans)

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

n = int(input())
a = [int(x) for x in input().split()]
a = sorted(a)

ans = 0
visited = [False]*n

while a:
    s = a.pop()
    if visited.pop():
        continue
    m = 1
    while m <= s:
        m *= 2
    r = bisect_right(a, m-s)
    l = bisect_left(a, m-s)
    if r-l > 0:
        a.pop(r-1)
        ans += 1

print(ans)


Fixed submission:
from bisect import bisect_left
from bisect import bisect_right

n = int(input())
a = [int(x) for x in input().split()]
a = sorted(a)

ans = 0
visited = [False]*n

while a:
    s = a.pop()
    if visited.pop():
        continue
    m = 1
    while m <= s:
        m *= 2
    r = bisect_right(a, m-s)
    l = bisect_left(a, m-s)
    for x in range(l, r)[::-1]:
        if not visited[x]:
            visited[x] = True
            ans += 1
            break

print(ans)

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

n = int(input())
a = [int(x) for x in input().split()]
a = sorted(a)

ans = 0

while a:
    s = a.pop()
    m = 1
    while m <= s:
        m *= 2
    ind = bisect_right(a, m-s)
    if ind == 0:
        continue
    if a[ind-1] == m-s:
        a.pop(ind-1)
        ans += 1

print(ans)


Fixed submission:
from bisect import bisect_left
from bisect import bisect_right

n = int(input())
a = [int(x) for x in input().split()]
a = sorted(a)

ans = 0
visited = [False]*n

while a:
    s = a.pop()
    if visited.pop():
        continue
    m = 1
    while m <= s:
        m *= 2
    r = bisect_right(a, m-s)
    l = bisect_left(a, m-s)
    for x in range(l, r)[::-1]:
        if not visited[x]:
            visited[x] = True
            ans += 1
            break

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

k = m // n

if n == 1:
    print(m)
    exit()

c = 1
for i in range(1,k+1):
    if m % i == 0:
        c = i

print(c)

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

ans = 1

for i in range(1,int(m**0.5)+1):
    if m % i == 0 and m /n >= i:
        ans = max(ans,i)
        if i != m // i and m/n >= (m//i):
            ans = max(ans,m // i)

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())

k = m // n

c = 1
for i in range(1,k+1):
    if m % i == 0:
        c = i

print(c)

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

ans = 1

for i in range(1,int(m**0.5)+1):
    if m % i == 0 and m /n >= i:
        ans = max(ans,i)
        if i != m // i and m/n >= (m//i):
            ans = max(ans,m // i)

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

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

ans = a[n-1]

for i in range(n):
    ans = math.gcd(ans,a[i])

print(ans)

Fixed submission:
import fractions

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

ans = a[n-1]

for i in range(n):
    ans = fractions.gcd(ans,a[i])

print(ans)

Buggy python submission (verdict: Runtime Error):
import math
from functools import reduce

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

def gcds(*s):
    return reduce(math.gcd, s)

print(gcds(*a))

Fixed submission:
import fractions

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

ans = a[n-1]

for i in range(n):
    ans = fractions.gcd(ans,a[i])

print(ans)

Buggy python submission (verdict: Runtime Error):
import math
from functools import reduce

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

def gcds(*s):
    return reduce(math.gcd, s)

print(gcds(*a))

Fixed submission:
import fractions

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

ans = a[n-1]

for i in range(n):
    ans = fractions.gcd(ans,a[i])

print(ans)

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

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

ans = abs(int(input())-x)

if n > 1:
	for _ in range(n-1):
  		ans = math.gcd(ans, abs(int(input())-x) )

print(ans)


Fixed submission:
import fractions

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

def dist(n):
    return abs(int(n)-x)

a = list(map(dist,input().split()))

ans = a[n-1]

for i in range(n):
    ans = fractions.gcd(ans,a[i])

print(ans)
Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

i = 0

while s[i] == '1' and i < k:
  i += 1

print(int(s[i]))

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

i = 0

while s[i] == '1' and i < k:
  i += 1

print(s[i])

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

a = 0
for i in range(k+1):
  if s[i] != '1':
    a = 1
    print(int(s[i]))
    break
if a = 0:
  print(1)

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

if s[:k] == '1'*k:
  print(1)
else:
  print(int(s.translate(str.maketrans('','','1'))[0]))


Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

if k <= len(s):
  print(s[k-1])
elif s[:k] == '1'*k:
  print(1)
else:
  print(s.translate(str.maketrans('','','1'))[0])
  

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

if s[:k] == '1'*k:
  print(1)
else:
  print(s.translate(str.maketrans('','','1'))[0])
  

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

i = 0
while s[i] == '1' or i+1 < k:
	i += 1  
print(int(s[i]))  

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())

if k == 1:
  print(int(s[0]))
else:
  i = 0
  while s[i] == '1':
    i += 1
  print(int(s[i]))  

Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])

Buggy python submission (verdict: Runtime Error):
s = list(map(int,list(input())))
k = int(input())

for j in range(1,5*(10**15)):
  a = ''
  for i in range(len(s)):
    a += str(s[i])*s[i]**j
  if len(a) >= k:
    print(a[k-1])
    break


Fixed submission:
s = list(map(int,list(input())))
k = int(input())

a = 0
i = 0

while a < k:
  a += min(s[i]**70, k)
  i +=1

print(s[i-1])