import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int t = Integer.parseInt(br.readLine());
		int mod = 998244353;
		long[][] a = new long[2][2];
		a[0][0] = 26;
		a[0][1] = 26;
		a[1][0] = 0;
		a[1][1] = 1;
		long[] c = new long[] {26, 1};

		PrintWriter pw = new PrintWriter(System.out);
		for (int z = 0; z < t; z++) {
			long l = Long.parseLong(br.readLine()) - 1;
			if (l == 0) {
				pw.println(26);
				continue;
			}

			long[][] b = matrixPow(a, l, mod);
			long[] d = matrixMul1(c, b, mod);
			long ans = d[1] + 25;
			if (ans >= mod) ans -= mod;
			pw.println(ans);
		}
		pw.flush();
		br.close();
	}

	static long[][] matrixPow(long[][] a, long k, int m) {
		if (k == 1) {
			return a;
		}
		long[][] ret = matrixPow(a, k / 2, m);
		ret = matrixMul(ret, ret, m);
		if (k % 2 == 1) {
			ret = matrixMul(ret, a, m);
		}
		return ret;
	}

	static long[][] matrixMul(long[][] a, long[][] b, int m) {
		int h = a.length;
		int w = b[0].length;
		int n = a[0].length;
		long[][] c = new long[h][w];
		for (int i = 0; i < h; i++) {
			for (int j = 0; j < w; j++) {
				for (int x = 0; x < n; x++) {
					c[i][j] += a[i][x] * b[x][j];
					c[i][j] %= m;
				}
			}
		}
		return c;
	}

	static long[] matrixMul1(long[] a, long[][] b, int m) {
		int w = b[0].length;
		int n = a.length;
		long[] c = new long[w];
		for (int j = 0; j < w; j++) {
			for (int x = 0; x < n; x++) {
				c[j] += a[x] * b[x][j];
				c[j] %= m;
			}
		}
		return c;
	}
}