#include<cstdio>
#include <iostream>
#include<algorithm>
#include<string>
#include<queue>
#include<vector>
#include<functional>
#include<cmath>
#include<map>
#include<stack>
#include<set>
#include<numeric>

using namespace std;
typedef long long ll;
typedef pair<int, int> Pr;

ll N;
ll mod = 1e9 + 7;

int main()
{
	cin >> N;
	ll ans = 1;
	
	ans = ((N - 1)%mod) * ((6 * (N - 2) * 2) % mod);
	ans += 6 * (N - 2);
	ans %= mod;
	ans *= N;
	ans %= mod;
	if (N == 2)ans = 6;
	if (N == 1)ans = 1;
	cout << ans << endl;
	return 0;
}