Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
from collections import Counter
N = int(input())
S = list(input())

counter = Counter(S)
E = counter.get('E')
W = counter.get('W')
# print('E W', E, W)

ans = 10**6
e, w = 0, 0
for i in range(N):
    v = w + E - e
    if S[i] == 'E':
        v -= 1
        e += 1
    else:
        w += 1
    # print('v, e, w', v, e, w)
    ans = min(ans, v)
print(ans)


Fixed submission:
from collections import Counter
N = int(input())
S = list(input())

counter = Counter(S)
E = counter.get('E', 0)
W = counter.get('W', 0)
# print('E W', E, W)

ans = 10**6
e, w = 0, 0
for i in range(N):
    v = w + E - e
    if S[i] == 'E':
        v -= 1
        e += 1
    else:
        w += 1
    # print('v, e, w', v, e, w)
    ans = min(ans, v)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
K = int(input())

S = set([])
for i in range(len(s)):
    for j in range(i + 1, len(s) + 1):
        # print(f'{s[i:j]=}')
        S.add(s[i:j])
# print(f'{S=}')
# print(f'{sorted(S)=}')
ans = sorted(S)[K - 1]
print(ans)


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

S = set([])
for i in range(len(s)):
    for j in range(i + 1, i + 1 + K):
        # print(f'{s[i:j]=}')
        S.add(s[i:j])
# print(f'{S=}')
# print(f'{sorted(S)=}')
ans = sorted(S)[K - 1]
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
import numpy as np
input = sys.stdin.buffer.readline
N = int(input())
A = np.array(list(map(int, input().split())))

# print(A.cumsum())

ans = 0
cumsum = A.cumsum()
# print(cumsum)
for _ in range(len(cumsum)):
    ans += np.count_nonzero(cumsum == 0)
    cumsum = cumsum[1:] - cumsum[0]
    # print(cumsum)
print(ans)


Fixed submission:
import sys
import numpy as np
from collections import Counter
input = sys.stdin.buffer.readline
N = int(input())
A = np.array(list(map(int, input().split())))

# print(A.cumsum())

ans = 0
cumsum = A.cumsum()

# print(cumsum)

# for _ in range(len(cumsum)):
#     ans += np.count_nonzero(cumsum == 0)
#     cumsum = cumsum[1:] - cumsum[0]
#     print(cumsum)
# print(ans)

# [1 4 0 2 4 2]


# 自分より前に同じ値の数字があるか
def f(n):
    return n * (n - 1) // 2


ans = 0
for key, value in Counter(cumsum).items():
    if key == 0:
        ans += value
    if value >= 2:
        ans += f(value)
# _, counts = np.unique(cumsum, return_counts=True)
# print(counts)
# values, counts = np.unique(counts, return_counts=True)
# ans = 0
# for value, count in zip(values, counts):
#     ans += f(value) * count
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
A, B, K = map(int, input().split())
for i in range(A, B + 1):
    if (i <= A + K - 1) or (i >= B - K + 1):
        print(i)
        continue


Fixed submission:
A, B, K = map(int, input().split())
if B - A + 1 <= 2 * K:
    for i in range(A, B + 1):
        print(i)
    exit()
for i in range(A, A + K):
    print(i)
for i in range(B - K + 1, B + 1):
    print(i)

Buggy python submission (verdict: Time Limit Exceeded):
A, B, K = map(int, input().split())
for i in range(A, B + 1):
    if i <= A + K - 1:
        print(i)
        continue
    if i >= B - K + 1:
        print(i)
        continue


Fixed submission:
A, B, K = map(int, input().split())
if B - A + 1 <= 2 * K:
    for i in range(A, B + 1):
        print(i)
    exit()
for i in range(A, A + K):
    print(i)
for i in range(B - K + 1, B + 1):
    print(i)
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
for a in A:
  if a == 'Y':
    print('Four')
    exit()
print('Three')

Fixed submission:
N = int(input())
A = input().split()
for a in A:
  if a == 'Y':
    print('Four')
    exit()
print('Three')
Buggy python submission (verdict: Runtime Error):
N, A = int(input()), int(input())
for i in range(len(A) + 1):
  if (N - i) % 500 == 0:
    print('Yes')
    exit()
print('No')

Fixed submission:
N, A = int(input()), int(input())
for i in range(A + 1):
  if (N - i) % 500 == 0:
    print('Yes')
    exit()
print('No')
Buggy python submission (verdict: Time Limit Exceeded):
import sys
import numpy as np
input = sys.stdin.buffer.readline
Q = int(input())


def is_prime(v):
    for i in range(2, v):
        if i * i > v:
            break
        if v % i == 0:
            return False
    return True


is_primes = np.ones(10**5 + 2, dtype='bool')
is_primes[:2] = False
for i in np.arange(2, is_primes.shape[0]):
    if not is_primes[i]:
        continue
    if is_prime(i):
        is_primes[i * 2::i] = False
# print('is_primes', is_primes[:14])

V = [0] * (10**5 + 2)
for i in range(1, len(V)):
    if i % 2 == 0:
        V[i] = V[i - 1]
        continue
    if is_primes[i] and is_primes[(i + 1) // 2]:
        V[i] = V[i - 1] + 1
    else:
        V[i] = V[i - 1]
# print('V', V)

for _ in range(Q):
    l, r = map(int, input().split())
    # print('l - 1, r, V[l- 1], V[r]', l - 1, r, V[l - 1], V[r])
    print(V[r] - V[l - 1])


Fixed submission:
import numpy as np
Q = int(input())
lr = [list(map(int, input().split())) for _ in range(Q)]

is_prime = np.zeros(10**5 + 1, dtype='bool')
for i in range(2, 10**5 + 1):
    if not is_prime[i]:
        for j in range(2, int(np.sqrt(i) + 1)):
            if i % j == 0:
                break
        else:
            is_prime[i] = True
            # is_prime[::i] = True
# print(is_prime[:10])

like_2017 = np.zeros(10**5 + 1, dtype='bool')
for i in range(1, 10**5 + 1):
    if is_prime[i] and is_prime[(i + 1) // 2]:
        like_2017[i] = True
# print(like_2017)
# print(like_2017.cumsum())
cumsum = like_2017.cumsum()

for l, r in lr:
    print(cumsum[r] - cumsum[l - 1])
Buggy python submission (verdict: Time Limit Exceeded):
import sys
from bisect import bisect_left

N = int(input())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))
C = sorted(list(map(int, input().split())))

ans = 0
for i in range(len(C)):
    c = C[i]
    b_idx = bisect_left(B, c)
    for j in range(b_idx):
        b = B[j]
        a_idx = bisect_left(A, b)
        ans += a_idx
print(ans)


Fixed submission:
import sys
from bisect import bisect_left

input = sys.stdin.buffer.readline
N = int(input())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))
C = sorted(list(map(int, input().split())))

cumsum = [0]
for i in range(len(B)):
    b = B[i]
    a_idx = bisect_left(A, b)
    cumsum.append(cumsum[i] + a_idx)
# print('cumsum', cumsum)

ans = 0
for i in range(len(C)):
    c = C[i]
    b_idx = bisect_left(B, c)
    ans += cumsum[b_idx]
print(ans)

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

input = sys.stdin.buffer.readline
N = int(input())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))
C = sorted(list(map(int, input().split())))

ans = 0
for i in range(len(C)):
    c = C[i]
    b_idx = bisect_left(B, c)
    for j in range(b_idx):
        b = B[j]
        a_idx = bisect_left(A, b)
        ans += a_idx
print(ans)


Fixed submission:
import sys
from bisect import bisect_left

input = sys.stdin.buffer.readline
N = int(input())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))
C = sorted(list(map(int, input().split())))

cumsum = [0]
for i in range(len(B)):
    b = B[i]
    a_idx = bisect_left(A, b)
    cumsum.append(cumsum[i] + a_idx)
# print('cumsum', cumsum)

ans = 0
for i in range(len(C)):
    c = C[i]
    b_idx = bisect_left(B, c)
    ans += cumsum[b_idx]
print(ans)

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

input = sys.stdin.buffer.readline
N = int(input())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))
C = sorted(list(map(int, input().split())))

ans = 0
for i in range(len(C)):
    c = C[i]
    b_idx = bisect_left(B, c)
    for j in range(b_idx):
        b = B[j]
        a_idx = bisect_left(A, b)
        ans += a_idx
print(ans)


Fixed submission:
import sys
from bisect import bisect_left

input = sys.stdin.buffer.readline
N = int(input())
A = sorted(list(map(int, input().split())))
B = sorted(list(map(int, input().split())))
C = sorted(list(map(int, input().split())))

cumsum = [0]
for i in range(len(B)):
    b = B[i]
    a_idx = bisect_left(A, b)
    cumsum.append(cumsum[i] + a_idx)
# print('cumsum', cumsum)

ans = 0
for i in range(len(C)):
    c = C[i]
    b_idx = bisect_left(B, c)
    ans += cumsum[b_idx]
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
T = list(map(int, input().split()))
sum_T = sum(T)
M = int(input())
for _ in range(M):
    p, x = map(int, input().split())
    v = sum_T - T[p - 1] + x
    print(v)


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

ans = 0
for x in X:
    ans += min(abs(x - K), x) * 2
print(ans)
Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
A = np.array(list(map(int, input().split())))
counter = np.bincount(A)
# print(counter)
cumsum = counter.cumsum()
# print(cumsum)
i = min(3, N)
# print('i', i)
print((cumsum[i:] - cumsum[:-i]).max())


Fixed submission:
import numpy as np
N = int(input())
A = np.array(list(map(int, input().split())))
counter = np.append(0, np.bincount(A, minlength=10**5 + 10))
# print(counter)
cumsum = counter.cumsum()
# print(cumsum)
# print((cumsum[3:] - cumsum[:-3]))
print((cumsum[3:] - cumsum[:-3]).max())

Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
A = np.array(list(map(int, input().split())))
counter = np.bincount(A)
# print(counter)
cumsum = counter.cumsum()
# print(cumsum)
print((cumsum[3:] - cumsum[:-3]).max())


Fixed submission:
import numpy as np
N = int(input())
A = np.array(list(map(int, input().split())))
counter = np.append(0, np.bincount(A, minlength=10**5 + 10))
# print(counter)
cumsum = counter.cumsum()
# print(cumsum)
# print((cumsum[3:] - cumsum[:-3]))
print((cumsum[3:] - cumsum[:-3]).max())
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import combinations

N, K = map(int, input().split())
L = list(map(int, input().split()))

ans = max([sum(combi) for combi in combinations(L, K)])
print(ans)


Fixed submission:
N, K = map(int, input().split())
L = sorted(list(map(int, input().split())), reverse=True)
print(sum(L[:K]))
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque
n = int(input())
a = list(map(int, input().split()))

d = list()
for i, v in enumerate(a):
    if i % 2 == 0:
        d.insert(0, v)
    else:
        d.append(v)
if i % 2 == 1:
    d = d[::-1]
print(*d, sep=' ')


Fixed submission:
import numpy as np
n = int(input())
a = np.array(list(map(int, input().split())))

b = np.zeros(n, dtype='int')

cnt = 0
if n % 2 == 0:
    for i in range(n // 2):
        left_idx = n // 2 - 1 - i
        right_idx = n // 2 + i
        b[left_idx] = 2 * i + 1
        b[right_idx] = 2 * i + 2
    b = b[::-1]
else:
    for i in range(n // 2):
        left_idx = n // 2 - i
        right_idx = n // 2 + 1 + i
        b[left_idx] = 2 * i + 1
        b[right_idx] = 2 * i + 2
    b[0] = n
# print('b', b)

for i in a[[b - 1]]:
    print(i)
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))

cnt1 = 0
for i in range(8):
  v1 = i * 400
  v2 = (i + 1) * 400 - 1
  for j in range(N):
    if v1 <= A[i] <= v2:
      cnt1 += 1
      break

cnt2 = 0
for i in range(N):
  if A[i] >= 3200:
    cnt2 += 1

print(cnt1, cnt2)

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

cnt1 = 0
for i in range(8):
  v1 = i * 400
  v2 = (i + 1) * 400 - 1
  for j in range(N):
    if v1 <= A[j] and A[j] <= v2:
      cnt1 += 1
      break

cnt2 = 0
for i in range(N):
  if A[i] >= 3200:
    cnt2 += 1

if cnt1 == 0:
  print(1, cnt2)
else:
  print(cnt1, cnt1 + cnt2)
Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
A = np.array(list(map(int, input().split())))

v = A[1:] - A[:-1]
# print(v)

cnt = 0
i = 0
while i <= len(v) - 1:
    # print('i', i)
    if v[i] * v[i + 1] < 0:
        cnt += 1
        i += 1
    i += 1
ans = cnt + 1
print(ans)

# 単調非減少 : v[i + 1] - v[i] >= 0
# 単調非増加 : v[i + 1] - v[i] <= 0
# 折り返し点 : v[i] * v[i + 1] < 0 and v[i + 1] * v[i + 2] < 0


Fixed submission:
import sys
input = sys.stdin.buffer.readline
N = int(input())
A = list(map(int, input().split()))
d = 0
ans = 1
for i in range(1, N):
    if A[i - 1] < A[i]:
        if d < 0:
            ans += 1
            d = 0
        elif d == 0:
            d = 1
    elif A[i - 1] > A[i]:
        if d > 0:
            ans += 1
            d = 0
        elif d == 0:
            d = -1
print(ans)
Buggy python submission (verdict: Runtime Error):
import numpy as np
X = int(input())
arr = np.arange(1, 10)
arr = arr * (arr + 1) / 2
# print(arr)
# print(arr >= X)
ans = np.nonzero(arr >= X)[0].min() + 1
print(ans)


Fixed submission:
import numpy as np
X = int(input())
arr = np.arange(1, 100000)
arr = arr * (arr + 1) / 2
# print(arr)
# print(arr >= X)
ans = np.nonzero(arr >= X)[0].min() + 1
print(ans)
Buggy python submission (verdict: Runtime Error):
import numpy as np
N, M = map(int, input().split())
A = np.array([list(input()) for _ in range(N)])
B = np.array([list(input()) for _ in range(M)])
# print('AB', A, B)
for i in range(N - M + 1):
    for j in range(N - M + 1):
        # print('i j', i, j)
        A_subset = A[i:i + N - 1, j:j + N - 1]
        # print('A_subset', A_subset)
        if np.all(A_subset == B):
            print('Yes')
            exit()
print('No')


Fixed submission:
import numpy as np
N, M = map(int, input().split())
A = np.array([list(input()) for _ in range(N)])
B = np.array([list(input()) for _ in range(M)])
# print('AB', A, B)
for i in range(N - M + 1):
    for j in range(N - M + 1):
        # print('i j', i, j)
        A_subset = A[i:i + M, j:j + M]
        # print('A_subset', A_subset)
        if np.all(A_subset == B):
            print('Yes')
            exit()
print('No')
Buggy python submission (verdict: Runtime Error):
N = int(input())
S = input()

ans = 0
x = 0
for s in S:
  v = 1 if s == 'I' else: 0
  x += v
  ans = max(ans, x)
print(ans)

Fixed submission:
N = int(input())
S = input()

ans = 0
x = 0
for s in S:
  v = 1 if s == 'I' else -1
  x += v
  ans = max(ans, x)
print(ans)
Buggy python submission (verdict: Runtime Error):
N, x = map(int, input().split())
A = list(map(int, input().split()))

if len(A) % 2 == 0:
    A = A + [0]
# print('A', A)

ans = 0
for i in range(1, N, 2):
    total = A[i - 1] + A[i]
    diff = total - x
    if diff <= 0:
        continue
    v1 = min(A[i], diff)
    v2 = diff - v1
    A[i] -= v1
    A[i - 1] -= v2
    ans += v1 + v2
    # print('A', A)
print(ans)


Fixed submission:
print('A' + input().split()[1][0] + 'C')
Buggy python submission (verdict: Runtime Error):
a = int(input())
print "Yes" if a % 9 == 0 else "No"

Fixed submission:
a=int(input())
print("Yes"if a%9==0else"No")
Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
if(0 in l):
  print(0)
else:
  p=1
  for i in l:
      p*=i
      if(p>1000000000000000000):
          print(-1)
          exit()
  print(p)


Fixed submission:
x,y=map(int,input().split())
print(x*y)

Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
if(0 in l)::
    print(0)
    exit()
p=1
for i in l:
    p*=i
    if(p>1000000000000000000):
        print(-1)
        exit()
print(p)


Fixed submission:
x,y=map(int,input().split())
print(x*y)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
p=1
for i in l:
    p*=i
if(p>1000000000000000000):
    print(-1)
else:
    print(p)
1000000000000000000

Fixed submission:
n=int(input())
l=list(map(int,input().split()))
p=1
l.sort()
for i in l:
    p*=i
    if(p==0):
        print(0)
        exit()
    if(p>10**18):
        print(-1)
        exit()
print(p)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
p=1
for i in l:
    p*=i
if(p>10**18):
    print(-1)
else:
    print(p)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
p=1
l.sort()
for i in l:
    p*=i
    if(p==0):
        print(0)
        exit()
    if(p>10**18):
        print(-1)
        exit()
print(p)
Buggy python submission (verdict: Time Limit Exceeded):
n,a,b=map(int,input().split())
x,y=0,0
i=0
while(n>0):
    if(i%2==0):
        x+=min(n,a)
        n-=min(n,a)
    else:
        y+=min(b,n)
        n-=min(n,b)
    i+=1
print(x)


Fixed submission:
n,a,b=map(int,input().split())
x=n//(a+b)
y=n%(a+b)
if(y>=a):
    print(x*a+a)
else:
    print(a*x+y)
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
l=[0]*n
d=[0]*n
for i in range(m):
    s=input().split()
    x=int(s[0])
    if(s[1]=='AC'):
        l[x-1]=1
    else:
        if(l[x-1]==1):
            continue
        else:
            d[x-1]+=1
p=0
for i in range(n):
    if(l[i]==1):
        p+=d[i]
print(sum(l),p)


Fixed submission:
s=input()
print(chr(ord(s)+1))
Buggy python submission (verdict: Runtime Error):
print(3*(int(input())**2)

Fixed submission:
n=int(input())
print(3*n*n)
Buggy python submission (verdict: Runtime Error):
n,k=map(int,input().split())
s=0
l=list(map(int,input().split()))
c=1
for i in range(n):
  s+=l[i]
  if(s<=k):
    c+=1
  else:
    break
print(c)

Fixed submission:
a,b=map(int,input().split())
if(a<b):
  print(0)
else:
  print(10)
Buggy python submission (verdict: Runtime Error):
n,k=map(int,input().split())
s=0
l=list(map(int,input().split()))
c=0
i=0
while(s<=k):
    s+=l[i]
    i+=1
    c+=1
print(c)

Fixed submission:
n,k=map(int,input().split())
s=0
l=list(map(int,input().split()))
c=1
for i in range(n):
    s+=l[i]
    if(k<s):
        break
    c+=1
print(c)

Buggy python submission (verdict: Runtime Error):
n,k=map(int,input().split())
s=0
l=list(map(int,input().split()))
c=0
i=0
while(s<=k):
    s+=l[i]
    i+=1
    c+=1
print(c)


Fixed submission:
n,k=map(int,input().split())
s=0
l=list(map(int,input().split()))
c=1
for i in range(n):
    s+=l[i]
    if(k<s):
        break
    c+=1
print(c)
Buggy python submission (verdict: Runtime Error):
l=list(map(int,input().split()))
m=len(set(l))
if(m==1):
  print("Yes")
else:
  prit("No")

Fixed submission:
l=list(map(int,input().split()))
m=len(set(l))
if(m==1):
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
s=input()
l='keyence'
x=0
n=len(s)
f=0
i=0
while(i<n):
    if(l[x]==s[i]):
        x+=1
    else:
        f+=1
        j=i
        while(j<n):
            if(l[x]==s[j]):
                x+=1
                i=j
                break
            else:
                j+=1
    i+=1
if(f<=1 and x==7):
    print("YES")
else:
    print('NO')


Fixed submission:
s=input()
l='keyence'
n=len(s)
for i in range(n-1):
    for j in range(i,n):
        r=s[:i]+s[j:]
        if(r==l):
            print("YES")
            exit()
print("NO")
Buggy python submission (verdict: Runtime Error):
import sys 

x1,y1,x2,y2=list(map(int,input().split()))
dx=x2-x1
dy=y2-y1
print("%d %d %d %d"%(x2-dy,y2+dx,x1-dy,y1+dx))


Fixed submission:
n=int(input())
print(n//2*(n-n//2))

Buggy python submission (verdict: Runtime Error):
x1,y1,x2,y2=list(map(int,input().split()))
dx=x2-x1
dy=y2-y1
print(x2-dy,y2+dx,x1-dy,y1+dx)


Fixed submission:
n=int(input())
print(n//2*(n-n//2))
Buggy python submission (verdict: Runtime Error):
s=input()
n=len(s)
if(s.count('C')==1):
    x=s.index('C')
c=0
for i in s:
    if(i.islower()):
        c+=1
if(s[0]=='A' and (x>=2 and x<=n-2) and c==n-2):
    print('AC')
else:
    print("WA")


Fixed submission:
s = input()
if s[0] == 'A' and s[2:-1].count('C') == 1:
    for i in range(1,len(s)):
        if s[i].islower() == True:
            continue
        else:
            if s[i] == 'C':
                continue
            else:
                print('WA')
                exit()
else:
    print('WA')
    exit()
print('AC')
Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
l.sort()
print(l[1]-l[0]+l[2]-l[1])

Fixed submission:

l=list(map(int,input().split()))
l.sort()
print(l[1]-l[0]+l[2]-l[1])
Buggy python submission (verdict: Runtime Error):
l=list(map(int,input().split()))
print(min(l[0],l[1])+min(l[2],l[3]))

Fixed submission:
l=[]
for i in range(4):
    l.append(int(input()))
print(min(l[0],l[1])+min(l[2],l[3]))
Buggy python submission (verdict: Runtime Error):
s=input()
l='abcdefghijklmnopqrstuvwxyz'
s=''.join(list(set(s)))
s=sorted(s)
f=0
for i in range(26):
    if(s[i]!=l[i]):
        print(l[i])
        f=1
        break
if(f==0):
    print('None')


Fixed submission:
s=input()
l='abcdefghijklmnopqrstuvwxyz'
for i in range(26):
    if(s.count(l[i])==0):
        print(l[i])
        exit()
print('None')

Buggy python submission (verdict: Runtime Error):
s=input()
l='abcdefghijklmnopqrstuvwxyz'
s=''.join(list(set(s)))
s=sorted(s)
for i in range(26):
    if(s[i]!=l[i]):
        print(l[i])
        exit()


Fixed submission:
s=input()
l='abcdefghijklmnopqrstuvwxyz'
for i in range(26):
    if(s.count(l[i])==0):
        print(l[i])
        exit()
print('None')
Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
x=0
y=0
c=0
for i in range(n):
    if(l[i]%4==0):
        x+=1
    elif(l[i]%2==0):
        y+=1
    else:
        c+=1
if(n%2==0):
    if(x>=c):
        print("Yes")
    else:
        print('No')
else:
    if(x>=(c-1)):
        print("Yes")
    else:
        print("No")


Fixed submission:
x,y=map(int,input().split())
print((x-1)*(y-1))
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
d=[]
for i in l:
    d.append(i)
    d.reverse()
print(*d)


Fixed submission:
n=int(input())
l=list(map(int,input().split()))
d=[]
s=[]
for i in range(n):
    if(i%2==0):
        d.append(l[i])
    else:
        s.append(l[i])
if(n%2==0):
    s.reverse()
    print(*(s+d))
else:
    d.reverse()
    print(*(d+s))
Buggy python submission (verdict: Runtime Error):
x,y=map(int,input().split())
if(x>y):
    print('GREATER')
elif(x<y):
    print("LESS")
else:
    print("EQUAL")


Fixed submission:
x=int(input())
y=int(input())
if(x>y):
    print('GREATER')
elif(x<y):
    print("LESS")
else:
    print("EQUAL")
Buggy python submission (verdict: Time Limit Exceeded):
k,s=map(int,input().split())
c=0
for i in range(k+1):
    for j in range(k+1):
        for l in range(k+1):
            if(i+l+j==s):
                c+=1
print(c)


Fixed submission:
k,s=map(int,input().split())
c=0
for i in range(k+1):
    for j in range(k+1):
        d=s-i-j
        if(d>=0 and d<=k):
            c+=1
print(c)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int, input().split()))
Q = int(input())

for i in range(Q):
    b, c =map(int, input().split())
    A = [c if i == b else i for i in A]
    print(sum(A))

Fixed submission:
from collections import Counter
n = int(input())
A = list(map(int, input().split()))
B = Counter(A)
ans = sum(A)
Q = int(input())

#print(B)
for i in range(Q):
    b, c =map(int, input().split())
    x = B[b]
    if x == 0:
        print(ans)
        continue
    if c in B:
        B[c] += x 
    else:
        B[c] = x
    B.pop(b)
    ans = ans + (c - b) * x
    #print(B)
    print(ans)