#include <bits/stdc++.h>
using namespace std;

int main() {
  int64_t n;
  cin >> n;
  
  n /= 2;
  
  int64_t count = 1;
  int64_t six = 6;
  
  while (n > 0) {
    if (n % 2 == 1) {
      count *= six;
    }
    n /= 2;
    six *= six;
    six %= 998244353;
    count %= 998244353;
  }
  
  cout << count << endl;
}