#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define FORR(i,a,b) for (int i=(a);i>=(b);i--)
#define pb push_back

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef set<int> si;
const int inf = 1e9;
const int mod = 1e9+7;

ll e[2], n, a;
main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cin >> n;
  e[0] = 1;
  a = 1;
  FOR(i, 2, n+1){
    a = i*e[i%2]%mod;
    e[1-i%2] = (e[1-i%2] + a)%mod;
  };
  cout << a << endl;
}