#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ul = unsigned long;
using ull = unsigned long long;

constexpr ll mod = 1000000007;

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

	ll n;
	cin >> n;

	ll ret = 1, x = 5, nn = n / 2 - 1;
	while (nn > 0)
	{
		if (nn & 1)
			ret = ret * x % mod;
		x = x * x % mod;
		nn >>= 1;
	}

	ll res;
	if (n == 1)
		res = 2;
	else if (n & 1)
		res = 12 * ret % mod;
	else
		res = 4 * ret % mod;

	cout << res << "\n";

	return 0;
}