#include <bits/stdc++.h>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
#define MEM(a, x) memset(a, x, sizeof(a))
#define ALL(a) a.begin(), a.end()
#define UNIQUE(a) a.erase(unique(ALL(a)), a.end())
typedef long long ll;

ll n;
ll MOD = 1000000007;

int main(int argc, char const *argv[]) {
	ios_base::sync_with_stdio(false);
	cin >> n;

	ll last, cur;
	if (n < MOD) {
		last = 1, cur = 1;
		for (ll i = 1; i < n; i++) {
			cur = last * (i+1) % MOD;
			last = cur;
		}
	}
	else {
		last = MOD-1, cur = MOD-1;
		for (ll i = MOD; i < n; i++) {
			cur = last * ((i+1)%MOD) % MOD;
			last = cur;
		}
	}
	
	cout << cur << endl;

	return 0;
}