import java.util.Scanner;

// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
    public static void main(String[] args) {
        // Press Alt+Enter with your caret at the highlighted text to see how
        // IntelliJ IDEA suggests fixing it.

        Scanner vstup = new Scanner(System.in);
        long n = vstup.nextLong();

        if (n == 2) {
            System.out.println("1");
            return;
        }
        if (n == 3) {
            System.out.println("3");
            return;
        }

        long vysledok = n*umocni(2, n-3);
        vysledok = vysledok % ((long)Math.pow(10, 9) + 7);
        System.out.println(vysledok);

        // int i = Math.toDegrees(...)
    }

    private static long umocni(long zaklad, long mocnina) {

        long zaklad2 = zaklad;
        for (long i = 1; i < mocnina; i++) {
            zaklad = zaklad * zaklad2;
            zaklad = zaklad % ((long) Math.pow(10, 9) + 7);
        }

        return zaklad;
    }
    // BufferedReader reader =
    // new BufferedReader(new InputStreamReader(System.in));

}