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

class yuki1
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static void Main()
    {
        var s = ReadLine().Select(c => c - '0').ToArray();

        var key = 998244353;
        var res = 0L;
        var mul = Exp(2, s.Length - 1, key);
        var half = Exp(2, key - 2, key);
        for (var i = s.Length - 1; i >= 0; --i)
        {
            res = (res + s[i] * mul % key) % key;
            mul = (mul * 11 % key) * half % key;
        }
        WriteLine(res);
    }
    static long Exp(int n, int k, int keyNum)
    {
        if (k == 0) return 1;
        if (k == 1) return n % keyNum;
        var half = Exp(n, k / 2, keyNum);
        var result = (half * half) % keyNum;
        return ((k % 2) == 0) ? result : ((result * n) % keyNum);
    }
}