#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for (int i=(int)(b); i<(int)(e); i++)
#define ALL(x) (x).begin(), (x).end()

const double PI = acos(-1);

const long long MOD = 1e9 + 7;
long long dp[2][20000];

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

  string s;
  cin >> s;
  int m;
  cin >> m;

  long long ret = 0;
  REP (i, s.length()) {
    int cur = i & 1;
    int nxt = (i+1) & 1;

    int x = s[i] - '0';
    // skip current character
    REP (j, m)
      dp[nxt][j] = dp[cur][j];
    // use current character
    REP (j, m) {
      dp[nxt][(10*j+x) % m] += dp[cur][j];
      dp[nxt][(10*j+x) % m] %= MOD;
    }
      
    if (x == 0) {
      ++ret;
    } else {
      dp[nxt][x % m]++;
    }
  }

  ret += dp[s.length() & 1][0];
  ret %= MOD;
  cout << ret << endl;
  
  return 0;
}