#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
using namespace std;

const int MOD = 1000000007;

int main()
{
    string s;
    int m;
    cin >> s >> m;
    int n = s.size();

    vector<int> dp(m, 0);
    for(int i=0; i<n; ++i){
        vector<int> nextDp = dp;
        if(s[i] != '0')
            ++ nextDp[(s[i] - '0') % m];

        for(int a=0; a<m; ++a){
            int b = (a * 10 + s[i] - '0') % m;
            nextDp[b] += dp[a];
            nextDp[b] %= MOD;
        }

        dp.swap(nextDp);
    }

    int ans = dp[0];
    ans += count(s.begin(), s.end(), '0');
    ans %= MOD;
    cout << ans << endl;

    return 0;
}