#include using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; const ll ILL=2167167167167167167; const int INF=2100000000; #define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++) #define all(p) p.begin(),p.end() template using _pq = priority_queue, greater>; template ll LB(vector &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template ll UB(vector &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;} template bool chmax(T &a,T b){if(a void So(vector &v) {sort(v.begin(),v.end());} template void Sore(vector &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;} template void vec_out(vector &p,int ty=0){ if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'< T vec_min(vector &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;} template T vec_max(vector &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;} template T vec_sum(vector &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;} int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;} template bool inside(T l,T x,T r){return l<=x&&x using mint = atcoder::modint998244353; void solve(); // CYAN / FREDERIC int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t = 1; // cin >> t; rep(i, 0, t) solve(); } void solve(){ int N; cin >> N; vector> dp(5); vector inv(6); rep(i, 1, 6) inv[i] = (mint)(1) / (mint)(i); rep(i, 0, 5) dp[i] = {inv[5], inv[5] * (i == 0 || i == 4 ? 0 : 1)}; rep(rp, 0, N - 1){ vector> n_dp(5); rep(j, 0, 5){ int l = max(0, j - 1); int r = min(5, j + 2); rep(k, l, r){ auto tmp = dp[j]; tmp.first *= inv[r - l]; tmp.second *= inv[r - l]; if (k != 0 && k != 4) tmp.second += tmp.first; n_dp[k].first += tmp.first; n_dp[k].second += tmp.second; } } swap(n_dp, dp); } mint ans = 0; for (auto x : dp) ans += x.second; cout << ans.val() << "\n"; }