#include <bits/stdc++.h>
#define ff first
#define ss second
#define ll long long
#define int long long
#define pb push_back
#define endl '\n'
#define sws cin.tie(0)->sync_with_stdio(false);
#define int long long

using namespace std;

const int N = 1e5+5;
const int MOD = 998244353;
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;

void solve(){
    int n; cin >> n;
    ll ans = 0;
    ll subiu = 1;
    for(int i = n; i>0 ; i--){
        ans += (subiu * (i-1))%MOD;

        subiu *= 2;
        subiu %= MOD;
        ans %= MOD;
    }
    cout << ans << endl;
}

main() {
    #ifndef LOCAL
    sws
    #endif

    int t = 1; //cin >> t;
    while(t--){
        solve();
    }
    
    return 0;
}