#include <bits/stdc++.h>
using namespace std;
#define fastcin {\
    cin.tie(0);\
    ios::sync_with_stdio(false);\
}
#define rep(i, a, b) for(int i = a; i < b; i++)
typedef long long ll;
const ll MOD = 1000000007;
typedef vector<ll> vll;

ll make_a(ll n) {
    ll sum[2] = {2, 6};
    ll tmp[2] = {0, 1};
    rep(i, 4, n+1) {
        tmp[i&1] += sum[i&1];
        sum[i&1] = i*(sum[1-i&1]+tmp[1-i&1])%MOD;
    }
    if(n==1) sum[n&1] = 1;
    return sum[n&1];
}

int main() {
    fastcin;
    int n;
    cin >> n;
    cout << make_a(n) << endl;
    return 0;
}