#include<iostream>
#include<vector>
#include<string>
#include<cmath>
#include<algorithm>
#include<functional>
#include<numeric>
#include<queue>
#include<stack>
#include<map>
#include<unordered_map>
#include<set>
#include<bitset>
#include<random>

#pragma region
using namespace std;
#define FOR(i,r,n) for(ll i = (ll)(r); i < (ll)(n); i++)
#define rep(i,n) FOR(i,0LL,n)
#define RFOR(i,r,n) for(ll i=(ll)(n-1);i>=r;i--)
#define rrep(i,n) RFOR(i,0LL,n)
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define COUNT(a,y,x) upper_bound(all(a), y) - lower_bound(all(a), x)
#define UNIQUE(a) sort(all(a)); a.erase(unique(all(a)), a.end())
#define pb push_back
typedef long long int ll;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
typedef vector<string> vs;
typedef map<ll, ll> MAP;
const ll inf = 2222222222222222222LL;
const ll mod = 1000000007LL;

ll n = 0, m = 0, ans = 0, tmp = 0, ma = -inf, mi = inf;
string s;
bool ok;
ll dx[9] = { 0,1,-1,0,0,1,1,-1,-1 }, dy[9] = { 0,0,0,1,-1,1,-1,1,-1 };
#define endl '\n'
#pragma endregion
#define MAX 222222



ll mpow(ll x, ll y) {
  ll ret = 1;
  while (y > 0) {
    if (y & 1) ret = (x*ret) % mod;
    x = (x*x) % mod;
    y >>= 1;
  }
  return ret;
}
ll comb(ll x, ll y) {
  ll fac1 = 1, fac2 = 1;
  y = max(y, x - y);
  FOR(i, y + 1, x + 1) fac1 = (fac1 * i) % mod;
  FOR(i, 1, x - y + 1) fac2 = (fac2 * i) % mod;
  return (fac1 *mpow(fac2, mod - 2)) % mod;
}



int main(void) {
  ios::sync_with_stdio(false); cin.tie(0);




  cout << comb(114514810, 114514810 / 2) << endl;



  return 0;
}