Buggy python submission (verdict: Time Limit Exceeded):
def main():
    s = input()
    n = len(s)
    inf = pow(10, 9)+7
    
    dp = [[0]*13 for i in range(n)]
    if s[0] == "?":
        for i in range(10):
            dp[0][i] = 1
    else:
        dp[0][int(s[0])] = 1
    
    for i in range(1, n):
        if s[i] != "?":
            k = int(s[i])
            for j in range(13):
                dp[i][(10*j+k)%13] += dp[i-1][j]
        else:
            for k in range(10):
                for j in range(13):
                    dp[i][(10*j+k)%13] += dp[i-1][j]
        for j in range(13):
            dp[i][j] %= inf
        
    print(dp[n-1][5])
    

if __name__ == "__main__":
    main()

Fixed submission:
def main():
    s = input()
    n = len(s)
    inf = pow(10, 9)+7
    
    dp = [[0]*13 for i in range(n)]
    if s[0] == "?":
        for i in range(10):
            dp[0][i] = 1
    else:
        dp[0][int(s[0])] = 1
    
    for i in range(1, n):
        if s[i] != "?":
            k = int(s[i])
            for j in range(13):
                dp[i][(10*j+k)%13] += dp[i-1][j]
        else:
            for k in range(10):
                for j in range(13):
                    dp[i][(10*j+k)%13] += dp[i-1][j]
        for j in range(13):
            dp[i][j] %= inf
        
    print(dp[n-1][5])
    

if __name__ == "__main__":
    main()

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

answer = 0
  
clear = []
unclear = []   
for i in range(N):
    if S[i] == "?":
        unclear.append(10 ** (N - i - 1))
        clear.append(0)
    else:
        clear.append(int(S[i]))
        
number = 0
for i in range(len(clear)):
    pq = int(clear[-1-i])
    number = number + pq * ((10 ** i) % 13) % 13

number = number % 13

num = number
sum = []
L = len(unclear)
for j in range(L):
    sum.append(0)

A = 0
T = 10 ** L
K = 0

while A != T:
    for p in range(L):
        num += sum[p] % 13
        num = num % 13
        
    if num == 5:
        answer += 1
        num = number
    else:
        num = number
    
    A += 1
    
    sum[L-1] += unclear[L-1]
    for i in range(L):
        if sum[L-1-i] == 10 * unclear[L-1-i]:
            sum[L-1-i] = 0
            sum[L-2-i] += unclear[L-2-i]

print(answer)


Fixed submission:
def main():
    s = input()
    n = len(s)
    inf = pow(10, 9)+7
    
    dp = [[0]*13 for i in range(n)]
    if s[0] == "?":
        for i in range(10):
            dp[0][i] = 1
    else:
        dp[0][int(s[0])] = 1
    
    for i in range(1, n):
        if s[i] != "?":
            k = int(s[i])
            for j in range(13):
                dp[i][(10*j+k)%13] += dp[i-1][j]
        else:
            for k in range(10):
                for j in range(13):
                    dp[i][(10*j+k)%13] += dp[i-1][j]
        for j in range(13):
            dp[i][j] %= inf
        
    print(dp[n-1][5])
    

if __name__ == "__main__":
    main()

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

answer = 0
  
clear = []
unclear = []   
for i in range(N):
    if S[i] == "?":
        unclear.append(10 ** (N - i - 1))
        clear.append(0)
    else:
        clear.append(int(S[i]))
        
number = 0
for i in range(len(clear)):
    pq = int(clear[-1-i])
    number = number + pq * ((10 ** i) % 13) % 13

number = number % 13

num = number
print(num)
sum = []
L = len(unclear)
for j in range(L):
    sum.append(0)

A = 0
T = 10 ** L
K = 0

while A != T:
    print(sum)
    for p in range(L):
        num += sum[p] % 13
        num = num % 13
        
    if num == 5:
        answer += 1
        num = number
    else:
        num = number
    
    A += 1
    
    sum[L-1] += unclear[L-1]
    for i in range(L):
        if sum[L-1-i] == 10 * unclear[L-1-i]:
            sum[L-1-i] = 0
            sum[L-2-i] += unclear[L-2-i]

print(answer)


Fixed submission:
def main():
    s = input()
    n = len(s)
    inf = pow(10, 9)+7
    
    dp = [[0]*13 for i in range(n)]
    if s[0] == "?":
        for i in range(10):
            dp[0][i] = 1
    else:
        dp[0][int(s[0])] = 1
    
    for i in range(1, n):
        if s[i] != "?":
            k = int(s[i])
            for j in range(13):
                dp[i][(10*j+k)%13] += dp[i-1][j]
        else:
            for k in range(10):
                for j in range(13):
                    dp[i][(10*j+k)%13] += dp[i-1][j]
        for j in range(13):
            dp[i][j] %= inf
        
    print(dp[n-1][5])
    

if __name__ == "__main__":
    main()

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

answer = 0
  
clear = []
unclear = []   
for i in range(N):
    if S[i] == "?":
        unclear.append(10 ** (N - i - 1))
        clear.append(0)
    else:
        clear.append(int(S[i]))
        
number = 0
for i in range(len(clear)):
    pq = int(clear[-1-i])
    number = number + pq * ((10 ** i) % 13) % 13

number = number % 13

num = number
print(num)
sum = []
L = len(unclear)
for j in range(L):
    sum.append(0)

A = 0
T = 10 ** L
K = 0

while A != T:
    print(sum)
    for p in range(L):
        num += sum[p] % 13
        num = num % 13
        
    if num == 5:
        answer += 1
        num = number
    else:
        num = number
    
    A += 1
    
    sum[L-1] += unclear[L-1]
    for i in range(L):
        if sum[L-1-i] == 10 * unclear[L-1-i]:
            sum[L-1-i] = 0
            sum[L-2-i] += unclear[L-2-i]

print(answer)


Fixed submission:
def main():
    s = input()
    n = len(s)
    inf = pow(10, 9)+7
    
    dp = [[0]*13 for i in range(n)]
    if s[0] == "?":
        for i in range(10):
            dp[0][i] = 1
    else:
        dp[0][int(s[0])] = 1
    
    for i in range(1, n):
        if s[i] != "?":
            k = int(s[i])
            for j in range(13):
                dp[i][(10*j+k)%13] += dp[i-1][j]
        else:
            for k in range(10):
                for j in range(13):
                    dp[i][(10*j+k)%13] += dp[i-1][j]
        for j in range(13):
            dp[i][j] %= inf
        
    print(dp[n-1][5])
    

if __name__ == "__main__":
    main()