#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 1000000000000000001

int main(){
	int n;
	cin>>n;
	vector dp(5,vector<mint>(2,0));
	rep(i,5){
		dp[i][0] = mint(5).inv();;
		if(i!=0&&i!=4)dp[i][1] = mint(5).inv();
	}
	rep(i,n-1){
		vector ndp(5,vector<mint>(2,0));
		rep(j,5){
			int cnt = 0;
			rep(k,5){
				if(abs(j-k)>=2)continue;
				cnt++;
			}
			mint  p = mint(cnt).inv();
			rep(k,5){
				if(abs(j-k)>=2)continue;
				ndp[k][0] += dp[j][0]*p;
				ndp[k][1] += dp[j][1]*p;
				if(k!=0&&k!=4)ndp[k][1] += dp[j][0]*p;
			}
		}
		swap(dp,ndp);
	}
	mint ans = 0;
	rep(i,5)ans += dp[i][1];
	cout<<ans.val()<<endl;
	
    return 0;
}