#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const ll mod = 998244353;
const int N = 20210926;
const int SB = 32;

vector<ll> dp(N+1);

void prep(){
    dp[1] = 1;

    for(int i  = 1; i <= N; i++){
        for(int j = 2; j * i <= N; j++){
            dp[i*j] += dp[i];
            dp[i*j] %= mod;
        }
    }
}

int main(){
    prep();

    int n;
    cin >> n;

    ll ans = 0;

    //for(int i = 1; i <= n; i++){
     //   ans += pref[i] - pref[i-1];
    //}

    cout << ans << "\n";
}