#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
long long mod = 998244353;
int main() {
	string s;
	cin >> s;
	long long n = s.size();
	long long ans = 0, ans1 = 1;
	for (long long i = 0; i < n; i++) {
		ans *= 11;
		ans += ans1 * (s[i] - '0');
		ans %= mod;
		ans1 *= 2;
		ans1 %= mod;
	}
	cout << ans << endl;
}