/* -*- coding: utf-8 -*-
 *
 * 793.cc:  No.793 うし数列 2 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MOD = 1000000007;

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

/* main */

int main() {
  ll n;
  scanf("%lld", &n);

  ll d3 = 3, d10 = 10, sum = 0, t = 1;
  while (n > 0) {
    if (n & 1) {
      sum = (sum * d10 % MOD + d3) % MOD;
      t = t * d10 % MOD;
    }
    d3 = (d10 + 1) * d3 % MOD;
    d10 = d10 * d10 % MOD;
    n >>= 1;
  }

  printf("%lld\n", (sum + t) % MOD);
  return 0;
}