#include<bits/stdc++.h> #define int long long using namespace std; constexpr int mod=998244353; int mod_pow(int a,int b){ if(!b)return 1; if(b&1)return mod_pow(a,b-1)*a%mod; return mod_pow(a*a%mod,b/2); } signed main(){ int N; cin>>N; cout<<mod_pow(6,N/2)<<endl; }