#include<bits/stdc++.h>
using namespace std;
using ll = long long int;
using ld = long double;
const ll MAX = 5000000000000000000;
const ld PI = 3.14159265358979;
const ll MOD = 998244353;//2024948111;
ld dotorad(ld K){return PI * K / 180.0;}
ld radtodo(ld K){return K * 180.0 / PI;}
mt19937 mt;
void randinit(){srand((unsigned)time(NULL));mt = mt19937(rand());}
ll modpow(ll A,ll B,ll M){
    ll r = 1,p = A;
    while(B > 0){
        if(B % 2 == 1) r = (r * p) % M;
        p = (p * p) % M;
        B /= 2;
    }
    return r;
}
int main(){
    string S;
    cin >> S;
    ll N = S.size();
    vector<ll> DP(N + 1);
    DP[0] = 0;
    for(ll i = 0;i < N;i++){
        DP[i + 1] = (DP[i] * 11 + (S[i] - '0') * modpow(2,i,MOD)) % MOD;
    }
    cout << DP[N] << endl;
}