using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Globalization;
using System.Diagnostics;
using static System.Console;
using Pair = System.Collections.Generic.KeyValuePair<int, int>;
//using System.Numerics;

class Program
{
    static void Main()
    {
        SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false });
        new Program().Solve();
        Out.Flush();
    }
    Scanner cin = new Scanner();
    Random rnd = new Random();
    Stopwatch sw = new Stopwatch();
    readonly int[] dd = { 0, 1, 0, -1, 0 };
    readonly int mod = 1000000007;
    readonly string alfa = "abcdefghijklmnopqrstuvwxyz";


    void Solve()
    {
        long N = cin.Nextlong;
        var A = new long[N + 1];
        A[0] = 1;
        A[1] = 1;
        for (int i = 2; i <= N; i++)
        {
            A[i] = (((A[i - 1] * (2 * i - 1))% mod) * i)%mod;
        }
        WriteLine(A[N]);


    }
    long kai(long a, long p)
    {
        long j = 1;
        for (int i = 1; i <= a; i++)
        {
            j = (j * i) % p;
        }
        return j;
    }

    //a^b(mod p) solution works in O(logb).
    long Powmod(long a, long b, long p)
    {
        if (b == 0) return 1;
        if (b % 2 == 0)
        {
            long d = Powmod(a, b / 2, p);
            return d * d % p;
        }
        else
        {
            return a * Powmod(a, b - 1, p) % p;
        }
    }

}

class Scanner
{
    string[] s; int i;
    char[] cs = new char[] { ' ' };
    public Scanner() { s = new string[0]; i = 0; }
    public string[] Scan { get { return ReadLine().Split(); } }
    public int[] Scanint { get { return Array.ConvertAll(Scan, int.Parse); } }
    public long[] Scanlong { get { return Array.ConvertAll(Scan, long.Parse); } }
    public double[] Scandouble { get { return Array.ConvertAll(Scan, double.Parse); } }
    public string Next
    {
        get
        {
            if (i < s.Length) return s[i++];
            string st = ReadLine();
            while (st == "") st = ReadLine();
            s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
            i = 0;
            return Next;
        }
    }
    public int Nextint { get { return int.Parse(Next); } }
    public long Nextlong { get { return long.Parse(Next); } }
    public double Nextdouble { get { return double.Parse(Next); } }
}