using System;
using System.Linq;
using System.Diagnostics;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
using Number = System.Int64;
using Point = System.Numerics.Complex;
namespace Program
{
    public class Solver
    {
        static void Main()
        {
            var s = Console.ReadLine();
            var m = int.Parse(Console.ReadLine());
            var n = s.Length;
            var dp = new int[m];
            int ans = 0;
            var to = new int[10][];
            for (int i = 0; i < 10; i++)
            {
                to[i] = new int[m];
                for (int j = 0; j < m; j++)
                    to[i][j] = (j * 10 + i) % m;
            }
            const int MOD = 1000000007;
            for (int i = 0; i < n; i++)
            {
                var v = s[i] - '0';
                var next = new int[m];
                Buffer.BlockCopy(dp, 0, next, 0, sizeof(int) * m);
                if (v > 0) next[v % m]++;
                else ans += 1;
                for (int j = 0; j < m; j++)
                {
                    next[to[v][j]] += dp[j];
                    if (next[to[v][j]] >= MOD) next[to[v][j]] -= MOD;
                }
                dp = next;
            }
            Console.WriteLine((dp[0] + ans) % MOD);


        }

        static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
    }
}