import java.util.Arrays;
import java.util.Scanner;

public class Main {
	final long MODULO = 1_000_000_000 + 7;

	void run() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		long[] a = new long[n + 1];
		a[1] = 1;
		long[][] s = new long[2][n + 1];
		s[1][1] = 1;
		for (int i = 2; i <= n; ++i) {
			a[i] = i * s[1 - i % 2][i - 1] % MODULO;
			s[i % 2][i] = s[i % 2][i - 1] + a[i];
			s[1 - i % 2][i] = s[1 - i % 2][i - 1];
			a[i] %= MODULO;
			s[i % 2][i] %= MODULO;
		}
		System.out.println(a[n]);
	}

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}

	public static void main(String[] args) {
		new Main().run();
	}
}