#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const ll mod = 1e9 + 7;
ll a[100007];
ll d[100007];

void init() {
    a[0] = 0;
    a[1] = 1;
    d[0] = 0;
    d[1] = 1;
    for (ll i = 2; i <= 100000; i++) {
        a[i] = i * d[i - 1] % mod;
        d[i] = d[i - 2] + a[i];
    }
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    init();

    ll n;
    cin >> n;
    cout << a[n] << endl;

    return 0;
}