import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.math.BigInteger;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(new File("patrate2.in"));
		PrintWriter writer = new PrintWriter(new File("patrate2.out"));
		int n = in.nextInt();
		BigInteger a = BigInteger.valueOf(1);
		for (int i = 2; i <= n; i++) {
			a = a.multiply(BigInteger.valueOf(i));
		}

		for (int i = 1; i <= n * n; i++) {
			a = a.multiply(BigInteger.valueOf(2));
		}
		writer.println(a.toString());
		in.close();
		writer.close();
	}
}