#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "iomanip"
#include "random"

using namespace std;
const long long int MOD = 1000000007;
const long double EPS = 0.0000000001;

long long int N, M, K, Q, W, H, L, R;
long long int ans;

long long int num[200000];

long long int func(int n) {
	num[n - 1] += num[n - 3];
	return n*(num[n - 1]) % MOD;
}

int main() {
	ios::sync_with_stdio(false);
	cin >> N;
	num[1] = 1;
	num[2] = 2;
	for (int i = 3; i <= N; i++)num[i] = func(i);
	cout << num[N] << endl;
	return 0;
}