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 uint[20050];
            var next = new uint[20050];
            var ans = 0u;
            var ten = new int[20050];
            for (int i = 0; i < m; i++)
                ten[i] = (i * 10) % m;
            const int MOD = 1000000007;
            if (m < 20)
            {
                foreach (var x in s)
                {
                    var v = x - '0';
                    Buffer.BlockCopy(dp, 0, next, 0, sizeof(uint) * 20050);
                    if (v > 0) next[v % m]++;
                    else ans++;
                    for (int j = 0; j < m; j++)
                    {
                        var to = ten[j] + v;
                        if (to >= m) to %= m;
                        if ((next[to] += dp[j]) >= MOD) next[to] -= MOD;
                    }
                    Swap(ref dp, ref next);
                }
            }
            else
            {
                foreach (var x in s)
                {
                    var v = x - '0';
                    Buffer.BlockCopy(dp, 0, next, 0, sizeof(uint) * 20050);
                    if (v > 0) next[v % m]++;
                    else ans++;
                    for (int j = 0; j < m; j++)
                    {
                        var to = ten[j] + v;
                        if (to >= m) to -= m;
                        if ((next[to] += dp[j]) >= MOD) next[to] -= MOD;
                    }
                    Swap(ref dp, ref 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; }
    }
}