import static java.lang.System.err;
import static java.lang.System.out;

public class Main {
	public static void main(String[] args) {
		new Main();
		out.flush();
		err.flush();
	}
	
	public static long pow(long a, long b, int M) {
		if (b == 0) return 1;
		if (b == 1) return a % M;
		if (b == 2) return a * a % M;
		return pow(pow(a, 2, M), b >> 1, M) * pow(a, b & 1, M) % M;
	}

	public Main() {
		try (java.util.Scanner sc = new java.util.Scanner(System.in)) {
			int a = sc.nextInt();
			long n = sc.nextLong();
			final int M = 998_244_353;
			out.println(M);
			out.println(pow(a, n, M));
		}
	}
}