#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;

#define MOD 1000000007

ll extgcd(ll a, ll b, ll &x, ll &y){
  ll d = a;
  if(b!=0){
    d = extgcd(b,a%b,y,x);
    y -= (a/b)*x;
  }else{
    x = 1; y = 0;
  }
  return d;
}

ll mod_inverse(ll a, ll m){
  ll x, y;
  extgcd(a, m, x, y);
  return (m+x%m)%m;
}

int main(){
  ll N;
  cin >> N;

  ll ret = 1;
  for(ll x=3; x<=2*(N-1)+1; x+=2){
    ll p = x*(x+1);
    p %= MOD;
    p *= mod_inverse(2,MOD);
    p %= MOD;
    ret *= p;
    ret %= MOD;
  }
  cout << ret << endl;
  
  return 0;
}