#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
using ll=long long;
using Graph=vector<vector<pair<int,int>>>;
#define MAX 200003
#define MOD 998244353
#define INF 1000000000

ll modpow(ll a,ll x){
  ll ret=1;
  a%=MOD;
  while(x>0){
    if(x%2==1){
      ret=ret*a%MOD;
    }
    x/=2;
    a=a*a%MOD;
  }
  return ret;
}

int main(){
  ll N;
  cin>>N;
  ll ans=1;
  cout<<modpow(6,N/2)<<endl;
}