/*
                   _ooOoo_
                  o8888888o
                  88" . "88
                  (| -_- |)
                  O\  =  /O
               ____/`---'\____
             .'  \\|     |//  `.
            /  \\|||  :  |||//  \
           /  _||||| -:- |||||-  \
           |   | \\\  -  /// |   |
           | \_|  ''\---/''  |   |
           \  .-\__  `-`  ___/-. /
         ___`. .'  /--.--\  `. . __
      ."" '<  `.___\_<|>_/___.'  >'"".
     | | :  `- \`.;`\ _ /`;.`/ - ` : | |
     \  \ `-.   \_ __\ /__ _/   .-` /  /
======`-.____`-.___\_____/___.-`____.-'======
                   `=---='
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
            pass System Test!
*/
#include <bits/stdc++.h>
using namespace std;

template <typename T>
std::ostream &operator<<(std::ostream &out, const std::vector<T> &v) {
  if (!v.empty()) {
    out << '[';
    std::copy(v.begin(), v.end(), std::ostream_iterator<T>(out, ", "));
    out << "\b\b]";
  }
  return out;
}
template <typename T1, typename T2>
std::ostream &operator<<(std::ostream &out, const std::pair<T1, T2> &p) {
  out << "[" << p.first << ", " << p.second << "]";
  return out;
}
template <class T, class U>
void chmin(T &t, U f) {
  if (t > f) t = f;
}
template <class T, class U>
void chmax(T &t, U f) {
  if (t < f) t = f;
}
template <typename T>
void uniq(vector<T> &v) {
  v.erase(unique(v.begin(), v.end()), v.end());
}

const int MOD = 1e9 + 7;
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);

  string inS;
  cin >> inS;
  int N = inS.size();
  vector<int> S(N);
  for (int i = 0; i < N; ++i) S[i] = inS[i] - '0';
  int M;
  cin >> M;
  vector<vector<int>> remainer(M, vector<int>(10, 0));
  for (int i = 0; i < M; ++i)
    for (int j = 0; j < 10; ++j) remainer[i][j] = (i * 10 + j) % M;

  vector<int> dp(M, 0);
  dp[0] = 1;
  int zeros = 0;
  for (int i = 0; i < N; ++i) {
    vector<int> next(M, 0);
    for (int m = 0; m < M; ++m) {
      next[m] += dp[m];
      next[m] %= MOD;

      int r = remainer[m][S[i]];
      next[r] += dp[m];
      if (m == 0 && S[i] == 0) {
        zeros++;
        next[r] = (next[r] - 1 + MOD) % MOD;
      } else {
        next[r] %= MOD;
      }
    }
    dp.swap(next);
  }
  cout << ((dp[0] + zeros - 1 + MOD) % MOD) << endl;
}