import java.util.*;

public class Main {
    static final int MOD = 1000000007;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        char[] arr = sc.next().toCharArray();
        int length = arr.length;
        int m = sc.nextInt();
        long ans = 0;
        int[] prev = new int[m];
        int[] next = new int[m];
        for (int i = 0; i < length; i++) {
            int x = arr[i] - '0';
            for (int j = 0; j < m; j++) {
                next[j] += prev[j];
                next[j] %= MOD;
                next[(j * 10 + x) % m] += prev[j];
                next[(j * 10 + x) % m] %= MOD;
            }
            if (x == 0) {
                ans++;
            } else {
                next[x % m]++;
            }
            int[] tmp = next;
            next = prev;
            prev = tmp;
            Arrays.fill(next, 0);
        }
        System.out.println((prev[0] + ans) % MOD);
    }
}