#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)s; i < (int)e; ++i)
#define all(a) (a).begin(),(a).end()

const ll mod = 1e9 + 7;

ll modpow(ll a, ll n, ll m) {
    ll res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % m;
        a = a * a % m;
        n >>= 1;
    }
    return res;
}

ll modinv(ll a, ll m) {
    return modpow(a, m - 2, m);
}

int main() {
    cin.tie(nullptr);
    
    ll N;
    cin >> N;
    
    ll ans = (modpow(10, N, mod) + mod - 1) % mod;
    ans = (ans * modinv(9, mod) * 3) % mod;
    ans = (ans + modpow(10, N, mod)) % mod;
    
    cout << ans << '\n';
}