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

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var mod = 1_000_000_007;
        var ans = 1L;
        var dp = new long[16];
        dp[0] = 1;
        for (var i = 0; i < n; ++i)
        {
            var ndp = new long[16];
            for (var j = 0; j < dp.Length; ++j)
            {
                ndp[j * 2 % 16] = (ndp[j * 2 % 16] + dp[j]) % mod;
                ndp[(j * 2 + 1) % 16] = (ndp[(j * 2 + 1) % 16] + dp[j]) % mod;
            }
            ndp[10] = 0;
            dp = ndp;
            ans = ans * 2 % mod;
        }
        for (var i = 0; i < 16; ++i) ans = (ans - dp[i] + mod) % mod;
        WriteLine(ans);
    }
}