#include <bits/stdc++.h>
using namespace std;

#define rep(i,n) for(int i = 0; i < (int)n; i++)
#define FOR(n) for(int i = 0; i < (int)n; i++)
#define repi(i,a,b) for(int i = (int)a; i < (int)b; i++)
#define pb push_back
#define m0(x) memset(x,0,sizeof(x))
#define fill(x,y) memset(x,y,sizeof(x))
#define bg begin()
#define ed end()
#define all(x) x.bg,x.ed
//#define mp make_pair
#define vi vector<int>
#define vvi vector<vi>
#define vll vector<ll>
#define vvll vector<vll>
#define vs vector<string>
#define vvs vector<vs>
#define vc vector<char>
#define vvc vector<vc>
#define pii pair<int,int>
#define pllll pair<ll,ll>
#define vpii vector<pair<int,int>>
#define vpllll vector<pair<ll,ll>>
#define vpis vector<pair<int,string>>
#define vplls vector<pair<ll, string>>
#define vpsi vector<pair<string, int>>
#define vpsll vector<pair<string, ll>>

template<typename T>
void chmax(T &a, const T &b) {a = (a > b? a : b);}
template<typename T>
void chmin(T &a, const T &b) {a = (a < b? a : b);}

using ll = long long;
using ld = long double;
using ull = unsigned long long;

const ll INF = numeric_limits<long long>::max() / 2;
const ld pi = 3.1415926535897932384626433832795028;
const ll mod = 998244353;
int dx[] = {-1, 0, 1, 0, -1, -1, 1, 1};
int dy[] = {0, -1, 0, 1, -1, 1, -1, 1};

#define int long long

int cal(int n) {
    return n-to_string(n).size();
}

void solve() {
    int n;
    cin >> n;
    //増やせるのは0, 1, 2, 3, 4, 5, 6, 7, 8
    //減らすのはいくらでも。
    //fsum(a)-n=n-1
    //f(a)=桁の数+n-1
    //桁の数+n-1=sum(a)
    //n-1=sum(a)-桁の数
    //使えるのは-9, -8, ..., 0, 1, 2, ..., INF
    //sum(a)-f(a)=2n-1
    //要素数がnであるような物。
    vi val;
    FOR(300) val.push_back(cal(i+1));
    vi dp(n, 0);
    dp[0] = 1;
    FOR(n) {
        vi newdp(n, 0);
        rep(j, n) {
            for(auto e : val) {
                if(0<=j+e&&j+e<n) {
                    newdp[j+e] += dp[j];
                    newdp[j+e] %= mod;
                }
            }
        }
        swap(newdp, dp);
    }

    cout << dp[n-1] << endl;
}

signed main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    solve();
    return 0;
}