#!/usr/bin/env python3.8
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
import numpy as np
MOD = 10**9 + 7

# %%
S = [int(x) - ord('0') for x in readline().rstrip()]
M = int(read())

# %%
add_to = np.arange(M) * 10 % M
dp = np.zeros(M, np.int64)
for x in S:
    np.add.at(dp, (add_to + x) % M, dp)
    if x != 0:
        dp[x % M] += 1
    dp %= MOD


# %%
answer = sum(x == 0 for x in S) + dp[0]
print(answer % MOD)