#include <bits/stdc++.h>
using namespace std;
long long dp[2][20001];
int M = 1000000007;
int main(){
    string s;
    cin >> s;
    int n = s.length(), m, k;
    cin >> m;
    int zero = -1;
    dp[0][0] = 1;
    for (int i = 0, ii = 0; i < n; ++i, ii ^= 1)
    {
        for (int j = 0; j < m; j++)
        {
            dp[ii ^ 1][j] = (dp[ii ^ 1][j] + dp[ii][j]) % M;
            k = (j * 10 + s[i] - '0') % m;
            dp[ii ^ 1][k] = (dp[ii ^ 1][k] + dp[ii][j]) % M;
            
            dp[ii][j] = 0;
        }
        if (s[i] == '0')
        {
            if (dp[ii ^ 1][0]) --dp[ii ^ 1][0];
            else dp[ii ^ 1][0] = M - 1;

            ++zero;
        }
    }
    cout << (dp[n & 1][0] + zero) % M << "\n";
    return 0;
}