#include "bits/stdc++.h"
using namespace std;

using VS = vector<string>;    using LL = long long;
using VI = vector<int>;       using VVI = vector<VI>;
using PII = pair<int, int>;   using PLL = pair<LL, LL>;
using VL = vector<LL>;        using VVL = vector<VL>;

#define ALL(a)  begin((a)),end((a))
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(a) int((a).size())
#define SORT(c) sort(ALL((c)))
#define RSORT(c) sort(RALL((c)))
#define UNIQ(c) (c).erase(unique(ALL((c))), end((c)))
#define FOR(i, s, e) for (int(i) = (s); (i) < (e); (i)++)
#define FORR(i, s, e) for (int(i) = (s); (i) > (e); (i)--)
#define debug(x) cerr << #x << ": " << x << endl
const int INF = 1e9;                          const LL LINF = 1e16;
const LL MOD = 1000000007;                    const double PI = acos(-1.0);
int DX[8] = { 0, 0, 1, -1, 1, 1, -1, -1 };    int DY[8] = { 1, -1, 0, 0, 1, -1, 1, -1 };

/* -----  2017/11/18  Problem: yukicoder362 / Link: https://yukicoder.me/problems/no/362  ----- */
/* ------問題------



-----問題ここまで----- */
/* -----解説等-----



----解説ここまで---- */

LL N;

LL ans = 0LL;

int main() {
	cin.tie(0);
	ios_base::sync_with_stdio(false);

	string S; cin >> S;
	int M; cin >> M;

	VVL dp(2, VL(20004, 0));
	int zero = 0;
	FOR(i, 0, SZ(S)) {
		FOR(j, 0, M)
			dp[!(i & 1)][j] = dp[i & 1][j];

		FOR(j, 0, M) {
			dp[!(i & 1)][(10 * j + (S[i] - '0')) % M] += dp[i & 1][j];
			dp[!(i & 1)][j] %= MOD;
		}
		if (S[i] == '0')zero++;
		else dp[!(i & 1)][(S[i]-'0')%M]++;
	}
	ans = dp[SZ(S) & 1][0] + zero;
	ans %= MOD;

	cout << ans << "\n";

	return 0;
}