using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    static int[] NMi => ReadLine().Split().Select(c => int.Parse(c) - 1).ToArray();
    static int[][] NMap(int n) => Enumerable.Repeat(0, n).Select(_ => NMi).ToArray();
    static string[] SList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => ReadLine()).ToArray();
    static long[] LList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => long.Parse(ReadLine())).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var t = ReadLine();
        var d = NN;
        var dp = new long[10];
        dp[0] = 1;
        var mod = 1_000_000_007;
        for (var i = 0; i < t.Length; ++i)
        {
            var ndp = new long[10];
            if (t[i] == '?')
            {
                for (var j = 0; j < 10; ++j) for (var k = 0; k < 10; ++k)
                    {
                        var next = j + k;
                        if (next >= 10) next -= 9;
                        ndp[next] = (ndp[next] + dp[j]) % mod;
                    }
            }
            else
            {
                for (var j = 0; j < 10; ++j)
                {
                    var next = j + t[i] - '0';
                    if (next >= 10) next -= 9;
                    ndp[next] = (ndp[next] + dp[j]) % mod;
                }
            }
            dp = ndp;
        }
        WriteLine(dp[d]);

    }
}