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

using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using Graph = vector<vector<pair<ll, ll>>>;


int main() {
	vll T(105,2);
	ll M=998244353;
	rep(i,103){
		T[i+2]=(T[i+1]*3)%M;
	}
	ll Q;
	cin>>Q;
	rep(q,Q){
		ll N;
		cin>>N;
		cout<<T[N]<<endl;
	}
}