#pragma GCC optimize("Ofast") #include #define rep(i,n) for(int i=0;i>x[i]; #define ft first #define sc second #define pb push_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(),(v).end() #define LB(a,x) lb(all(a),x)-a.begin() #define UB(a,x) ub(all(a),x)-a.begin() #define mod 1000000007 //#define mod 998244353 #define FS fixed< using V=vector; using Graph = vector>; using P=pair; typedef unsigned long long ull; typedef long double ldouble; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template inline void out(T a){ cout << a << '\n'; } void YN(bool ok){if(ok) cout << "Yes" << endl; else cout << "No" << endl;} //void YN(bool ok){if(ok) cout << "YES" << endl; else cout << "NO" << endl;} const ll INF=1e18; const int mx=200005; int main(){ cin.tie(0);ios::sync_with_stdio(false); ll n; cin>>n; ll odd=1,even=0; ll ans; for(ll i=2;i<=n;i++){ if(i%2==0){ ans=i*odd%mod; even=(even+ans)%mod; }else{ ans=i*even%mod; odd=(odd+ans)%mod; } } out(ans); }