Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())

a = 1
b = 1
if N == M:
    for i in range(1,N+1):
        a *= i % 1000000007
    b = a

elif N - M == 1:
    for i in range(1,M+1):
        b *= i % 1000000007
    a = b * N 
elif M - N == 1:
    for i in range(1,N+1):
        a *= i % 1000000007
    b = a * M 
    

if abs(N-M) == 1:
    ans = a * b %1000000007
elif N == M:
    ans = 2*a*b % 1000000007
else:
    ans = 0

print(ans)

Fixed submission:
import math
import time

N, M = map(int, input().split())

st = time.time()

a = math.factorial(N) % 1000000007
b = math.factorial(M) % 1000000007
"""
if N == M:
    for i in range(1,N+1):
        a *= i % 1000000007
    b = a

elif N - M == 1:
    for i in range(1,M+1):
        b *= i % 1000000007
    a = b * N 
elif M - N == 1:
    for i in range(1,N+1):
        a *= i % 1000000007
    b = a * M 
"""

if abs(N-M) == 1:
    ans = a * b %1000000007
elif N == M:
    ans = 2*a*b % 1000000007
else:
    ans = 0

print(ans)

ed = time.time() -st
#print(ed)

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

a = 1
b = 1
for i in range(1,N+1):
    a *= i % 1000000007
for i in range(1, M+1):
    b *= i % 1000000007

if abs(N-M) == 1:
    ans = a * b %1000000007
elif N == M:
    ans = 2*a*b % 1000000007
else:
    ans = 0

print(ans)

Fixed submission:
import math
import time

N, M = map(int, input().split())

st = time.time()

a = math.factorial(N) % 1000000007
b = math.factorial(M) % 1000000007
"""
if N == M:
    for i in range(1,N+1):
        a *= i % 1000000007
    b = a

elif N - M == 1:
    for i in range(1,M+1):
        b *= i % 1000000007
    a = b * N 
elif M - N == 1:
    for i in range(1,N+1):
        a *= i % 1000000007
    b = a * M 
"""

if abs(N-M) == 1:
    ans = a * b %1000000007
elif N == M:
    ans = 2*a*b % 1000000007
else:
    ans = 0

print(ans)

ed = time.time() -st
#print(ed)
Buggy python submission (verdict: Runtime Error):
import statistics
import math

l = list(input())

mode = statistics.mode(l)
mode = l.count(mode)

check = 0

"""
mode * 2 ** i  >  len(l) - i 
"""

for i in range(len(l)):
    if mode * (2**i)  >= len(l) -i :
        ans = i
        break

print(ans)

Fixed submission:
import collections
s = list(input())
#print(s)
c = collections.Counter(s)
l = list(c.items())
l = sorted(l, key = lambda x : x[1], reverse=True)
#print(l)

h = []
tmp = l[0][1]

for i in range(len(l)):
          h.append(l[i][0])


#print(h)

ans = []

for i in range(len(h)):
    tmp = [_ for _, x in enumerate(s) if x == h[i]]
#    print(h[i])
#    print(tmp)
    lll = []
    for j in range(len(tmp)):
        if j == 0:
            lll.append(tmp[j])
        else:
            lll.append(tmp[j] - tmp[j-1] - 1)
    lll.append(len(s) - tmp[len(tmp) - 1] - 1)
    ans.append(max(lll))
#    print(lll)


#print(ans)
print(min(ans))
Buggy python submission (verdict: Runtime Error):
A,B,C = map(int,input().split())
X = 10*B +c
if X%4 == 0:
  print('YES')
else:
  print('NO')

Fixed submission:
A,B,C = map(int,input().split())
X = 10*B +C
if X%4 == 0:
  print('YES')
else:
  print('NO')
Buggy python submission (verdict: Runtime Error):
#%%
N = int(input())
S = list(input())

T = S.copy()

flag = False

#print(S)


for i in range(N):
    flag = False
    i = 0
    while True:
        if i > len(S) - 1:
            break
        if S[i] == '(':
            tmp = i
            flag = True
        if flag and S[i] == ')':
            S.pop(tmp)
            S.pop(i)
            flag = False
        i += 1

#print(S)
#print(T)

a = S.count('(')
b = S.count(')')

ans = '('*b + ''.join(T) + ')'*a
print(ans)

Fixed submission:
#%%
N = int(input())
S = list(input())

T = S.copy()

flag = False

#print(S)


for i in range(N):
    flag = False
    i = 0
    while True:
        if i > len(S) - 1:
            break
        if S[i] == '(':
            tmp = i
            flag = True
        if flag and S[i] == ')':
            S.pop(i)
            S.pop(tmp)
            flag = False
        i += 1

#print(S)
#print(T)

a = S.count('(')
b = S.count(')')

ans = '('*b + ''.join(T) + ')'*a
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
S = list(input())

a = 0
b = 0
c = 0
d = 0

a = [i for i, x in enumerate(S) if x == '('][0]
b = [i for i, x in enumerate(S) if x == ')'][-1]

light_a = S[:b+1].count('(')
light_b = S[:b+1].count(')')
left_a = S[a:].count('(')
legt_b = S[a:].count(')')

#print(light_a, light_b, left_a, legt_b)
c = max(0, light_b - light_a)
d = max(0, left_a - legt_b)
#print(c, d)

#print(a, b)
S = '('*c + ''.join(S) + ')'*d
print(S)


Fixed submission:
#%%
N = int(input())
S = list(input())

T = S.copy()

flag = False

#print(S)


for i in range(N):
    flag = False
    i = 0
    while True:
        if i > len(S) - 1:
            break
        if S[i] == '(':
            tmp = i
            flag = True
        if flag and S[i] == ')':
            S.pop(i)
            S.pop(tmp)
            flag = False
        i += 1

#print(S)
#print(T)

a = S.count('(')
b = S.count(')')

ans = '('*b + ''.join(T) + ')'*a
print(ans)
Buggy python submission (verdict: Runtime Error):
N, A, B = map(int, input().split())

if N == 1 :
    if A != B :
        ans = 0
    elif :
        ans = 1



elif A > B :
    ans = 0
elif A == B :
    ans = 1
else:
    ans = (B*(N-1)+A) - (A*(N-1)+B) + 1

print(ans)

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

if N == 1 :
    if A != B :
        ans = 0
    else :
        ans = 1



elif A > B :
    ans = 0
elif A == B :
    ans = 1
else:
    ans = (B*(N-1)+A) - (A*(N-1)+B) + 1

print(ans)
Buggy python submission (verdict: Runtime Error):
def judge(x):
  if x==4 or x==6 or x==9 or x==11:
    y = a
  elif x==12:
    y = b
  else:
    y = c
  return y

a,b = map(int,input().split())
if judge(a) == judge(b) :
  print('Yes')
else:
  print('No')

Fixed submission:
def judge(x):
  if x==4 or x==6 or x==9 or x==11:
    y = 'a'
  elif x==2:
    y = 'b'
  else:
    y = 'c'
  return y
 
a,b = map(int,input().split())
if judge(a) == judge(b) :
  print('Yes')
else:
  print('No')
Buggy python submission (verdict: Time Limit Exceeded):
a, b, c = map(int, input().split())
ans = 0

if a == b == c and a%2==0:
    ans = -1
else:
    for i in range(10**9):
        if a%2==1 or b%2==1 or c%2==1:
            if a%2==1 and b%2==1 and c%2==1:
                pass
            else:
                break
        x = a
        y = b
        z = c
        a = y//2 + z//2
        b = x//2 + z//2 
        c = x//2 + y//2
        ans +=1

print(ans)


Fixed submission:
a, b, c = map(int, input().split())
ans = 0

if a == b == c and a%2==0:
    ans = -1
else:
    for i in range(10**9):
        if a%2==1 or b%2==1 or c%2==1:
            break
        x = a
        y = b
        z = c
        a = y//2 + z//2
        b = x//2 + z//2 
        c = x//2 + y//2
        ans +=1

print(ans)
Buggy python submission (verdict: Runtime Error):
a,b,c = input().split()
if b =='+':
  print(int(a)+int(b))
else:
  print(int(a)-int(b))

Fixed submission:
a,b,c = input().split()
if b =='+':
  print(int(a)+int(c))
else:
  print(int(a)-int(c))
Buggy python submission (verdict: Time Limit Exceeded):
a, b, x = map(int, input().split())
count = 0
for i in range(a, b+1):
    if i%x == 0:
        count += 1
print(count)

Fixed submission:
a, b, x = map(int, input().split())
print(b//x - (a-1)//x)
Buggy python submission (verdict: Time Limit Exceeded):
X = list(input())

i = 0
check = 0

while check == 0 :
    if i == len(X) - 1 or i == len(X):
        check = 1
    else:
        #print(i, X)
        if X[i] == 'S' and X[i+1] == 'T':
            X.pop(i)
            X.pop(i)
            i = max(0, i-1)
        else:
            i += 1
        
    
print(len(X))


Fixed submission:
X = list(input())

count_S = 0
count_T = 0
TS_max = 0

for i in range(len(X)):
    if X[i] == 'S':
        count_S += 1
    elif X[i] == 'T':
        count_T += 1
    tmp = count_T - count_S
    TS_max = max(TS_max, tmp)

ans = TS_max * 2
print(ans)
Buggy python submission (verdict: Runtime Error):
a = list(input())
ans = a[:4] + ' ' + a[4:]
print(a)

Fixed submission:
a = input()
ans = a[:4] + ' ' + a[4:]
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
#%%
A = list(input())
B = list(input())
C = list(input())
tmp = 'a'
check = 0

while check == 0 :
    if tmp == 'a':
        if len(A) != 0:
            tmp = A[0]
            A.pop(0)
        else:
            ans = 'A'
            check = 1
    elif tmp == 'b':
        if len(B) != 0:
            tmp = B[0]
            B.pop(0)
        else:
            ans = 'B'
            ckeck = 1
    elif tmp == 'c':
        if len(C) != 0:
            tmp = C[0]
            C.pop(0)
        else:
            ans = 'C'
            check =1

print(ans)




#%%


Fixed submission:
#%%
A = list(input())
B = list(input())
C = list(input())
tmp = 'a'
check = 0

while check == 0 :
    if tmp == 'a':
        if len(A) != 0:
            tmp = A[0]
            A.pop(0)
        else:
            ans = 'A'
            check = 1
    elif tmp == 'b':
        if len(B) != 0:
            tmp = B[0]
            B.pop(0)
        else:
            ans = 'B'
            check = 1
    elif tmp == 'c':
        if len(C) != 0:
            tmp = C[0]
            C.pop(0)
        else:
            ans = 'C'
            check =1

print(ans)




#%%
Buggy python submission (verdict: Runtime Error):
n = int(input())
s = 0
for i in range(N+1):
    s += i
print(s)

Fixed submission:
N = int(input())
s = 0
for i in range(N+1):
    s += i
print(s)

Buggy python submission (verdict: Runtime Error):
n = int(input()
s = 0
for i in range(N+1):
    s += i
print(s)

Fixed submission:
N = int(input())
s = 0
for i in range(N+1):
    s += i
print(s)
Buggy python submission (verdict: Runtime Error):
l = list(map(int,input().split()))
if l.count(5) == 2, and l.count(7)==1 :
  print('YES')
else:
  print('NO')

Fixed submission:
l = list(map(int,input().split()))
if l.count(5) == 2 and l.count(7)==1 :
  print('YES')
else:
  print('NO')
Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int, input().split())
s=[input().split() for i in range(m)]

def qa(s):
    qa_dict = {}
    target_q = []
    WAs=0
    ACs=0
    for t in s:
        if t[1] == 'AC':
            target_q.append(t[0])
    target_q = sorted(list(set(target_q)))
    for q in target_q:
        qa_dict[q] = []
        for a in s:
            if a[0] == q:
                qa_dict[q].append(a[1])
                if a[1] == 'AC':
                    break
                else:
                    continue
    for v in qa_dict.values():
        WAs += (len(v) - 1)
        ACs += 1
    return ACs, WAs

if m == 0:
    ac, wa = 0, 0
else:
    ac, wa = qa(s)
print('{} {}'.format(ac, wa))


Fixed submission:
n,m=map(int, input().split())
s=[input().split() for i in range(m)]

def qa(s):
    qa_dict = {}
    WAs=0
    ACs=0
    for qa in s:
        qa_dict[qa[0]] = 0
    for qa in s:
        if qa_dict[qa[0]] <= 0:
            if qa[1] == 'WA':
                qa_dict[qa[0]] -= 1
            elif qa[1] == 'AC':
                if qa_dict[qa[0]] == 0:
                    qa_dict[qa[0]] += 0.001
                else:
                    qa_dict[qa[0]] *= -1
                ACs += 1
    for v in qa_dict.values():
        if v > 0:
            WAs += int(v)
    return ACs, WAs

if m == 0:
    ac, wa = 0, 0
else:
    ac, wa = qa(s)
print('{} {}'.format(ac, wa))

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

def qa(s):
    qa_dict = {}
    target_q = []
    WAs=0
    ACs=0
    for t in s:
        if t[1] == 'AC':
            target_q.append(t[0])
    target_q = sorted(list(set(target_q)))
    for q in target_q:
        qa_dict[q] = []
        for a in s:
            if a[0] == q:
                qa_dict[q].append(a[1])
                if a[1] == 'AC':
                    break
                else:
                    continue
    for v in qa_dict.values():
        WAs += (len(v) - 1)
        ACs += 1
    return ACs, WAs

if m == 0:
    ac, wa = 0, 0
else:
    ac, wa = qa(s)
print('{} {}'.format(ac, wa))


Fixed submission:
n,m=map(int, input().split())
s=[input().split() for i in range(m)]

def qa(s):
    qa_dict = {}
    WAs=0
    ACs=0
    for qa in s:
        qa_dict[qa[0]] = 0
    for qa in s:
        if qa_dict[qa[0]] <= 0:
            if qa[1] == 'WA':
                qa_dict[qa[0]] -= 1
            elif qa[1] == 'AC':
                if qa_dict[qa[0]] == 0:
                    qa_dict[qa[0]] += 0.001
                else:
                    qa_dict[qa[0]] *= -1
                ACs += 1
    for v in qa_dict.values():
        if v > 0:
            WAs += int(v)
    return ACs, WAs

if m == 0:
    ac, wa = 0, 0
else:
    ac, wa = qa(s)
print('{} {}'.format(ac, wa))
Buggy python submission (verdict: Runtime Error):
import numpy as np
n, k = map(int, input().split())
r, s, p = map(int, input().split())
t = input()
act = np.array(list(t.replace('r','P').replace('s','R').replace('p','S')))
for a in range(k, len(act)):
    if act[a] == act[a-k]:
        act[a] = 'Z'
score_dict = {'R':r, 'S':s, 'P':p, 'Z':0}
score = np.array([score_dict[i] for i in act])
print(score.sum())

Fixed submission:
import numpy as np
n, k = map(int, input().split())
r, s, p = map(int, input().split())
t = input()
act = np.array(list(t.replace('r','P').replace('s','R').replace('p','S')))
for a in range(k, len(act)):
    if act[a] == act[a-k]:
        act[a] = 'Z'
score_dict = {'R':r, 'S':s, 'P':p, 'Z':0}
score = np.array([score_dict[i] for i in act])
print(score.sum())

Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
r, s, p = map(int, input().split())
t = input()

score_dict = {'r':r, 's':s, 'p':p, 'z':0}
def to_win(x):
    if x=='r':
        return 'p'
    elif x=='s':
        return 'r'
    elif x=='p':
        return 's'
    else:
        return 'z'

def cnt_score(act):
    score = 0
    for a in act:
        score += score_dict[a]
    return score

act = ''
for i in range(len(t)):
    act += to_win(t[i])
act = list(act)
for a in range(k, len(act)):
    if act[a] == act[a-k]:
        act[a] = 'z' 
score = cnt_score(act)
print(score)

Fixed submission:
import numpy as np
n, k = map(int, input().split())
r, s, p = map(int, input().split())
t = input()
act = np.array(list(t.replace('r','P').replace('s','R').replace('p','S')))
for a in range(k, len(act)):
    if act[a] == act[a-k]:
        act[a] = 'Z'
score_dict = {'R':r, 'S':s, 'P':p, 'Z':0}
score = np.array([score_dict[i] for i in act])
print(score.sum())
Buggy python submission (verdict: Runtime Error):
n, a, b = map(int, input().split())

d = b-a
d_nearest_side = int(min(a-1, n-b))
if d % 2 == 0:
    print(int(d/2))
else:
    move_side = int((d+1)/2) + d_nearest_side
    print(int(move_side)

Fixed submission:
n, a, b = map(int, input().split())
d = b-a
d_nearest_side = min(a-1, n-b)
if d % 2 == 0:
    print(d//2)
else:
    move_side = 1 + (d-1)//2 + d_nearest_side
    print(int(move_side))
Buggy python submission (verdict: Runtime Error):
import numpy as np

n = int(input())
a_list = np.array(list(map(int, input().split())))
n_index = np.arange(1, n+1)

breaks = 0
if min(a_list) > 1:
    print(-1)
else:
    for n in n_index:
        if len(a_list) > 0:
            if n in a_list:
                i = a_list.index(n)
                a_list = a_list[i+1:]
                breaks += i
                print(a_list)
            else:
                breaks += len(a_list)
                print(breaks)
                exit()
    print(breaks)

Fixed submission:
a=int(input())
b=int(input())
ans_list = [1,2,3]
print([i for i in ans_list if (i!=a and i!=b)][0])
Buggy python submission (verdict: Runtime Error):
import math

a, b = map(int, input().split())
def lcm(x, y):
    return (x * y) / math.gcd(x, y)

print(int(lcm(a, b)))

Fixed submission:
import fractions

a, b = map(int, input().split())
def lcm(x, y):
    return (x * y) / fractions.gcd(x, y)

print(int(lcm(a, b)))

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

a, b = map(int, input().split())
def lcm(x, y):
    return (x * y) // math.gcd(x, y)

print(lcm(a, b))

Fixed submission:
import fractions

a, b = map(int, input().split())
def lcm(x, y):
    return (x * y) / fractions.gcd(x, y)

print(int(lcm(a, b)))

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

a, b = map(int, input().split())
def lcm(x, y):
    return (x * y) // math.gcd(x, y)

print(lcm(a, b))

Fixed submission:
import fractions

a, b = map(int, input().split())
def lcm(x, y):
    return (x * y) / fractions.gcd(x, y)

print(int(lcm(a, b)))
Buggy python submission (verdict: Runtime Error):
a, b, x = map(int, input().split())
if a * 1e9 + b * 10 <= x:
    print(int(1e9))
elif a * 1 + b * 1 > x:
    print(0)
else:
    atari = x // a
    price = atari * a + b * len(str(atari))
    if atari > 100:
        while price > x:
            atari -= 100
            atari = max(0, atari)
            price = atari * a + b * len(str(atari))
        atari_bottom = atari
        while price < x:
            atari_bottom += 1
            price = atari_bottom * a + b * len(str(atari_bottom))
        print(atari_bottom-1)
    else:
        while price > x:
            atari -= 1
            price = atari * a + b * len(str(atari))
        print(atari)


Fixed submission:
today = input()
days = {'SUN':7,
        'MON':6,
        'TUE':5,
        'WED':4,
        'THU':3,
        'FRI':2,
        'SAT':1
}
print(days[today])

Buggy python submission (verdict: Runtime Error):
a, b, x = map(int, input().split())
if a * 1e9 + b * 10 <= x:
    print(int(1e9))
elif a * 1 + b * 1 > x:
    print(0)
else:
    atari = x // a
    price = atari * a + b * len(str(atari))
    while price > x:
        atari -= 100
        atari = max(0, atari)
        price = atari * a + b * len(str(atari))
    atari_bottom = atari
    while price < x:
        atari_bottom += 1
        price = atari_bottom * a + b * len(str(atari_bottom))
    print(atari_bottom-1)

Fixed submission:
today = input()
days = {'SUN':7,
        'MON':6,
        'TUE':5,
        'WED':4,
        'THU':3,
        'FRI':2,
        'SAT':1
}
print(days[today])
Buggy python submission (verdict: Runtime Error):
num = int(input())
base_str = input()
alphabets = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
            'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z']
def replacer(letter, num):
    letter_index = alphabets.index(letter)
    return(alphabets[(letter_index+num)%27])
answer = []
for i in range(len(base_str)):
    answer.append(replacer(base_str[i], num))
answer = ''.join(answer)
print(answer)

Fixed submission:
num = int(input())
base_str = input()
alphabets = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
            'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z']
def replacer(letter, num):
    letter_index = alphabets.index(letter)
    return(alphabets[(letter_index+num)%26])
answer = []
for i in range(len(base_str)):
    answer.append(replacer(base_str[i], num))
answer = ''.join(answer)
print(answer)

Buggy python submission (verdict: Runtime Error):
base_str = input()
num = int(input())
alphabets = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
            'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z']
def replacer(letter, num):
    letter_index = alphabets.index(letter)
    return(alphabets[(letter_index+num)%27])
answer = []
for i in range(len(base_str)):
    answer.append(replacer(base_str[i], num))
answer = ''.join(answer)
print(answer)

Fixed submission:
num = int(input())
base_str = input()
alphabets = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
            'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z']
def replacer(letter, num):
    letter_index = alphabets.index(letter)
    return(alphabets[(letter_index+num)%26])
answer = []
for i in range(len(base_str)):
    answer.append(replacer(base_str[i], num))
answer = ''.join(answer)
print(answer)

Buggy python submission (verdict: Runtime Error):
base_str = input()
num = int(input)
alphabets = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
            'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z']
def replacer(letter, num):
    letter_index = alphabets.index(letter)
    return(alphabets[(letter_index+num)%27])
answer = []
for i in range(len(base_str)):
    answer.append(replacer(base_str[i], num))
answer = ''.join(answer)
print(answer)

Fixed submission:
num = int(input())
base_str = input()
alphabets = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
            'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z']
def replacer(letter, num):
    letter_index = alphabets.index(letter)
    return(alphabets[(letter_index+num)%26])
answer = []
for i in range(len(base_str)):
    answer.append(replacer(base_str[i], num))
answer = ''.join(answer)
print(answer)
Buggy python submission (verdict: Time Limit Exceeded):
N,M = (int(x) for x in input().split())
S_arr = [int(x) for x in input().split()]
T_arr = [int(x) for x in input().split()]

dp = [[1]*(M+1) for _ in range(N+1)]

mod = 1000000007
for n in range(N):
    for m in range(M):
        if S_arr[n] == T_arr[m]:
            dp[n+1][m+1] = (dp[n+1][m]+dp[n][m+1]) % mod
        else:
            dp[n+1][m+1] = (dp[n+1][m]+dp[n][m+1]-dp[n][m]) % mod
print(dp[N][M])


Fixed submission:
N,M = (int(x) for x in input().split())
S_arr = [int(x) for x in input().split()]
T_arr = [int(x) for x in input().split()]

dp = [[1]*(M+1) for _ in range(N+1)]

mod = 1000000007
for n in range(N):
    for m in range(M):
        if S_arr[n] == T_arr[m]:
            dp[n+1][m+1] = (dp[n+1][m]+dp[n][m+1]) % mod
        else:
            dp[n+1][m+1] = (dp[n+1][m]+dp[n][m+1]-dp[n][m]) % mod
print(dp[N][M])
Buggy python submission (verdict: Runtime Error):
N,M = (int(x) for x in input().split())
a_arr = [-1]
for _ in range(M):
    a_arr.append(int(input()))
a_arr.append(N+1)

n_dp = [0]*(N+1)
n_dp[0] = 1
n_dp[1] = 0
n_dp[2] = 1
for i in range(3,N+1):
    n_dp[i] = (n_dp[i-2]+n_dp[i-1]) % 1000000007

ans = 1
for i in range(1,len(a_arr)):
    a_diff = a_arr[i]-a_arr[i-1]
    ans *= n_dp[a_diff]
    ans = ans % 1000000007

print(ans)


Fixed submission:
N,M = (int(x) for x in input().split())
a_arr = [-1]
for _ in range(M):
    a_arr.append(int(input()))
a_arr.append(N+1)

n_dp_size = N+3
n_dp = [0]*(n_dp_size)
n_dp[0] = 1
n_dp[1] = 0
n_dp[2] = 1
for i in range(3,n_dp_size):
    n_dp[i] = (n_dp[i-2]+n_dp[i-1]) % 1000000007

ans = 1
for i in range(1,len(a_arr)):
    a_diff = a_arr[i]-a_arr[i-1]
    ans *= n_dp[a_diff]
    ans = ans % 1000000007

print(ans)