#include <atcoder/all>
#include <bits/stdc++.h>
#define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
using namespace atcoder;
using namespace std;

typedef long long ll;

using mint = modint998244353;

int main() {
    int n;
    cin >> n;
    vector<mint> p(5);
    rep(i, 0, 5) p[i] = (mint)1 / 5;
    mint ans = 0;
    mint div2 = (mint)1 / 2;
    mint div3 = (mint)1 / 3;
    rep(i, 0, n) {
        rep(j, 1, 4) ans += p[j];
        vector<mint> np(5);
        np[0] += p[0] * div2;
        np[1] += p[0] * div2;
        np[0] += p[1] * div3;
        np[1] += p[1] * div3;
        np[2] += p[1] * div3;
        np[1] += p[2] * div3;
        np[2] += p[2] * div3;
        np[3] += p[2] * div3;
        np[2] += p[3] * div3;
        np[3] += p[3] * div3;
        np[4] += p[3] * div3;
        np[3] += p[4] * div2;
        np[4] += p[4] * div2;
        swap(p, np);
    }
    cout << ans.val() << endl;
}