Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

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] == '?':
        for j in range(13):
            for k in range(10):
                dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    else:
        k = int(s[i])
        for j in range(13):
            dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    for j in range(13):
        dp[i][j] %= mod

print(dp[n-1][5]%mod)


Fixed submission:
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

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] == '?':
        for j in range(13):
            for k in range(10):
                dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    else:
        k = int(s[i])
        for j in range(13):
            dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    for j in range(13):
        dp[i][j] %= mod

print(dp[n-1][5]%mod)

Buggy python submission (verdict: Time Limit Exceeded):
def main():
    s = input()
    n = len(s)
    dp = [[0] * 13 for _ in range(n)]
    mod = 10**9 + 7

    if s[n-1] == '?':
        for i in range(10):
            dp[0][i] = 1
    else:
        dp[0][int(s[n-1])] = 1

    for i in range(1,n):
        a = len(s) - i
        if s[a-1] == '?':
            for j in range(13):
                for k in range(10):
                    b = (k * 10 ** i + j) % 13
                    dp[i][b] += dp[i-1][j]
        else:
            k = int(s[a-1])
            for j in range(13):
                b = (k * 10 ** i + j) % 13
                dp[i][b] += dp[i-1][j]
        for j in range(13):
            dp[i][j] %= mod

    print(dp[n-1][5]%mod)

if __name__ == '__main__':
    main()


Fixed submission:
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

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] == '?':
        for j in range(13):
            for k in range(10):
                dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    else:
        k = int(s[i])
        for j in range(13):
            dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    for j in range(13):
        dp[i][j] %= mod

print(dp[n-1][5]%mod)

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

if s[n-1] == '?':
    for i in range(10):
        dp[0][i] = 1
else:
    dp[0][int(s[n-1])] = 1

for i in range(1,n):
    a = len(s) - i
    if s[a-1] == '?':
        for j in range(13):
            for k in range(10):
                b = (k * 10 ** i + j) % 13
                dp[i][b] += dp[i-1][j]
    else:
        k = int(s[a-1])
        for j in range(13):
            b = (k * 10 ** i + j) % 13
            dp[i][b] += dp[i-1][j]
    for j in range(13):
        dp[i][j] %= mod

print(dp[n-1][5]%mod)


Fixed submission:
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

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] == '?':
        for j in range(13):
            for k in range(10):
                dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    else:
        k = int(s[i])
        for j in range(13):
            dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    for j in range(13):
        dp[i][j] %= mod

print(dp[n-1][5]%mod)

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

if s[n-1] == '?':
    for i in range(10):
        dp[0][i] = 1
else:
    dp[0][int(s[n-1])] = 1

for i in range(1,n):
    a = len(s) - i
    if s[a-1] == '?':
        for j in range(13):
            for k in range(10):
                b = (k * 10 ** i + j) % 13
                dp[i][b] += dp[i-1][j]
                dp[i][b] %= mod
    else:
        k = int(s[a-1])
        for j in range(13):
            b = (k * 10 ** i + j) % 13
            dp[i][b] += dp[i-1][j]
            dp[i][b] %= mod

print(dp[n-1][5]%mod)


Fixed submission:
s = input()
n = len(s)
dp = [[0] * 13 for _ in range(n)]
mod = 10**9 + 7

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] == '?':
        for j in range(13):
            for k in range(10):
                dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    else:
        k = int(s[i])
        for j in range(13):
            dp[i][(j * 10 + k) % 13] += dp[i-1][j]
    for j in range(13):
        dp[i][j] %= mod

print(dp[n-1][5]%mod)