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


Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)

Buggy python submission (verdict: Time Limit Exceeded):
mod = 10 ** 9 + 7
s = input()
l = len(s)
dp =[[0 for _ in range(13)] for _ in range(l+1)]
dp[0][0] =1
for i in range(l):
    obj =s[l - i - 1]
    if obj == "?":
        for j in range(10):
            for k in range(13):
                dp[i + 1][(j * (10 ** i) + k) % 13] +=dp[i][k] % mod
    else:
        for k in range(13):
            dp[i + 1][(int(obj) * (10 ** i) + k) % 13] +=dp[i][k] % mod
print(dp[-1][5] % mod)

Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)

Buggy python submission (verdict: Runtime Error):
mod = 10 ** 9 + 7
s = input()
dp =[[0 for _ in range(13)] for _ in range(l+1)]
dp[0][0] =1
for i in range(l):
    obj =s[l - i - 1]
    if obj == "?":
        for j in range(10):
            for k in range(13):
                dp[i + 1][(j * (10 ** i) + k) % 13] +=dp[i][k] % mod
    else:
        for k in range(13):
            dp[i + 1][(int(obj) * (10 ** i) + k) % 13] +=dp[i][k] % mod
print(dp[-1][5] % mod)

Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)

Buggy python submission (verdict: Time Limit Exceeded):
mod = 10 ** 9 + 7
s = input()
l = len(s)
dp =[[0 for _ in range(13)] for _ in range(l+1)]
dp[0][0] =1
for i in range(l):
    obj =s[l - i - 1]
    if obj == "?":
        for j in range(10):
            for k in range(13):
                dp[i + 1][(j * (10 ** i) + k) % 13] +=dp[i][k] % mod
    else:
        for k in range(13):
            dp[i + 1][(int(obj) * (10 ** i) + k) % 13] +=dp[i][k] % mod
print(dp[-1][5] % mod)

Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)

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

Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)

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

Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)

Buggy python submission (verdict: Runtime Error):
s = input()[::-1]
l = len(s)
dp =[[0 for _ in range(13)] for _ in range(l+1)]
dp[0][0] =1
for i in range(l):
    if s[i] == "?":
        for j in range(10):
            for k in range(13):
                dp[i + 1][((j * (10 ** i)) % 13 + k) % 13] +=dp[i][k] % mod
    else:
        for k in range(13):
            dp[i + 1][((int(s[i]) * (10 ** i)) % 13 + k) % 13] +=dp[i][k] % mod
print(dp[-1][5] % mod)

Fixed submission:
mod = 10 ** 9 + 7
s = input()
n = len(s)
dp = [[0 for _ in range(13)] for _ in range(n + 1)]
dp[0][0]=1
for i in range(n):
    if s[i] == '?': 
        for j in range(10):
            for k in range(13):
                dp[i + 1][(k * 10 + j) % 13]+=dp[i][k] % mod
    else:
        for k in range(13): 
            dp[i + 1][(k * 10+ int(s[i])) % 13]+=dp[i][k] % mod
print(dp[-1][5] % mod)