#include <iostream>
#include <utility>
#include <string>
using namespace std;

constexpr int mod = 1000000007;

int dp1[20000] = { 0 };
int dp2[20000] = { 0 };

int main()
{
	string S;
	cin >> S;
	int M = 0;
	int zero = 0;
	cin >> M;
	for (auto c : S) {
		int v = c - '0';
		if (v == 0) {
			++zero;
		} else {
			dp2[v % M] = 1;
		}
		for	(int i = 0; i != M; ++i) {
			dp2[i] = (dp2[i] + dp1[i]) % mod;
			int j = (i * 10 + v) % M;
			dp2[j] = (dp2[j] + dp1[i]) % mod;
		}
		swap(dp1, dp2);
		for (int i = 0; i != M; ++i) dp2[i] = 0;
	}
	cout << (dp1[0] + zero) % mod << endl;
	cin >> M;
	return 0;
}