#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;

int main()
{
    ll n, t = 1, mod = 998244353;
    cin >> n;
    if (n == 1) cout << 1 << endl;
    else{
        if (n%2) n--;
        n /= 2;
        while(n){
            t *= 6;
            t %= mod;
            n--;
        }
    }
    cout << t << endl;
}