mod7 = 10 ** 9 + 7

s = input()
M = int(input())

dp1 = [0] * M
dp2 = [0] * M

ans = 0
for i in range(len(s)):
    for j in range(M):
        nxt = (j * 10 + int(s[i])) % M
        dp2[nxt] += dp1[j]
        dp2[nxt] %= mod7

    if s[i] != '0':
        nxt = int(s[i]) % M
        dp2[nxt] += 1
        dp2[nxt] %= mod7
    else:
        ans += 1

    dp1 = list(dp2)

ans += dp1[0]
ans %= mod7
print(ans)