#include <iostream>
#define int long long
using namespace std;

int powmod(int a, int n, int mod) {
	if (n == 0) return 1;
	if (n % 2 == 1) return a * powmod(a, n - 1, mod) % mod;
	return powmod((a * a) % mod, n / 2, mod);
}

int mod = 998244353;

signed main() {
	int n;
	cin >> n;
	cout << powmod(6, n / 2, mod) << endl;
	return 0;
}