using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var mod = 1_000_000_007;
        if (n < 3) WriteLine(new int[] { 1, 12, 63 }[n]);
        else WriteLine((172 + 125L * (n - 3) % mod + 17L * (n - 3) % mod * (n - 4) % mod) % mod);
    }
}