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();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var list = new int[n + 3];
        for (var i = 1; i < list.Length; ++i) list[i] = i - i.ToString().Length;
        var mod = 998_244_353;
        var dp = new long[n + 1];
        dp[0] = 1;
        for (var i = 0; i < n; ++i)
        {
            var ndp = new long[n + 1];
            for (var j = 0; j < n; ++j) for (var k = 1; k < list.Length; ++k)
                if (j + list[k] < ndp.Length) ndp[j + list[k]] = (ndp[j + list[k]] + dp[j]) % mod;
            dp = ndp;
        }
        WriteLine(dp[n - 1]);
    }
}