#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

ll mod = 1e9+7;

ll modinv(ll a){
    if(a==0) abort();
    ll b = mod, u = 1, v = 0;
    while(b){
        ll t = a/b;
        a -= t * b; swap(a,b);
        u -= t * v; swap(u,v);
    }
    u %= mod;
    if(u<0) u += mod;
    return u;
}

ll modpow(ll a,ll b){
    ll ans = 1;
    a %= mod;
    while(b){
        if(b&1) ans = ans * a % mod;
        a = a * a % mod;
        b >>= 1;
    }
    return ans;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    // 10^N + (10^N - 1) / 3
    ll N; cin >> N;
    cout << (modpow(10, N) + (modpow(10, N) - 1) * modinv(3) % mod) % mod << endl;
}