#include <bits/stdc++.h> using namespace std; #define int long long using ll=long long; using vi=vector<int>; using vl=vector<long long>; using pii=pair<int,int>; using pll=pair<long long,long long>; #define ITR(i,c) for(auto i=begin(c);i!=end(c);++i) #define FORE(x,c) for(auto &x:c) #define REPF(i,a,n) for(int i=a,i##len=(int)(n);i<i##len;++i) #define REP(i,n) REPF(i,0,n) #define REPR(i,n) for(int i=(int)(n);i>=0;--i) #define REPW(i,n) for(i=0;i<(int)(n);++i) #define ALL(c) begin(c),end(c) #define RALL(c) rbegin(c),rend(c) #define SZ(c) ((int)c.size()) #define CONTAIN(c,x) (c.find(x)!=end(c)) #define OUTOFRANGE(y,x,h,w) (y<0||x<0||y>=h||x>=w) #define dump(...) const int DX[9]={0,1,0,-1,1,1,-1,-1,0},DY[9]={-1,0,1,0,-1,1,1,-1,0}; #define INF (1001001001) #define INFLL (1001001001001001001ll) template<class T> ostream& operator << (ostream &os,const vector<T> &v) { ITR(i,v) os << *i << (i==end(v)-1 ? "" : " "); return os; } template<class T> istream& operator >> (istream &is,vector<T> &v) { ITR(i,v) is >> *i; return is; } template<class T> istream& operator >> (istream &is, pair<T,T> &p) { is >> p.first >> " " >> p.second; return is; } template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;} template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return 1;}return 0;} //------------------------------------------------------------------------------ struct before_main_function { before_main_function() { #ifdef int #undef INF #define INF INFLL #define stoi stoll #endif cin.tie(0);ios::sync_with_stdio(false); cout<<setprecision(15)<<fixed; } } before_main_function; //------------------8<------------------------------------8<-------------------- const int MOD=1e9+7; signed main() { int n; cin>>n; if(n==1){ cout<<1<<endl; return 0; } int sum_e=0; int sum_o=1; int a; REPF(i,1,n+1) { if(i%2==0) { a=(i*sum_o)%MOD; sum_e+=a; sum_e%=MOD; } else { a=(i*sum_e)%MOD; sum_o+=a; sum_o%=MOD; } } cout<<a%MOD<<endl; return 0; }