// Author : hejinming2012
#include <bits/stdc++.h>
#define int long long
#define endl '\n'
#define dbg(x) cout << #x " = " << (x) << endl
#define quickio ios::sync_with_stdio(false);
#define quickin cin.tie(0);
#define quickout cout.tie(0);
#define mod 998244353
using namespace std;
inline int read() {
    int now = 0, nev = 1; char c = getchar();
    while(c < '0' || c > '9') { if(c == '-') nev = -1; c = getchar(); }
    while(c >= '0' && c <= '9') { now = (now << 1) + (now << 3) + (c & 15); c = getchar(); }
    return now * nev;
}
void write(int x) {
    if(x < 0) putchar('-'), x = -x;
    if(x > 9) write(x / 10);
    putchar(x % 10 + '0');
}
int qpow(int x, int y) {
    int res = 1;
    while(y) {
        if(y & 1) res = res * x % mod;
        x = x * x % mod, y >>= 1;
    }
    return res;
}
signed main() {
    quickio
    quickin
    quickout
    int T = read();
    while(T--) {
        int n = read();
        if(n == 1) write(0), putchar(10);
        else write((2 * n - 1) % mod * qpow(3, mod - 2) % mod), putchar(10);
    }
    return 0;
}