#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define MOD 1000000007LL
typedef long long ll;

string S;
int M;

// dp[ditis][mod M][used]
ll dp[2][20101][2];

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

	cin >> S >> M;

	int N = S.length();

	rep(j, 0, M) rep(k, 0, 2) dp[0][j][k] = 0;
	dp[0][0][0] = 1;

	ll zero = 0;
	rep(i1, 0, N)
	{
		int ii1 = i1 + 1;

		int c = S[i1] - '0';
		if (c == 0) zero++;

		rep(i2, 0, M) rep(i3, 0, 2) dp[ii1 % 2][i2][i3] = 0;

		rep(i2, 0, M) rep(i3, 0, 2)
		{
			(dp[ii1 % 2][i2][i3] += dp[i1 % 2][i2][i3]) %= MOD;

			if (i3 || c != 0)
			{
				int ii2 = (i2 * 10 + c) % M;
				int ii3 = 1;

				(dp[ii1 % 2][ii2][ii3] += dp[i1 % 2][i2][i3]) %= MOD;
			}
		}
	}

	cout << (dp[N % 2][0][1] + zero) % MOD << endl;
}