#include <algorithm>
#include <iostream>
using namespace std;
typedef long long ll;

const ll MOD = 1000000007;

int main()
{
    string n;
    cin >> n;
    n.push_back(1);
    for(int i = 0; i < 100000; i++) n.push_back(0);
    reverse(n.begin(), n.end());
    int k = n.size();
    ll p[100005];
    p[0] = 1;
    for(int i = 1; i < k; i++){
        p[i] = p[i - 1] * 45 % MOD;
    }
    ll d = 1;
    ll ans = 0;
    for(int i = k - 1; i >= 0; i--){
        if(i == 0){
            for(int j = 1; j <= (n[i] - '0'); j++){
                ans = (ans + d * j) % MOD;
            }
        }
        else{
            ans = (ans + p[i]) % MOD;
            for(int j = 1; j < (n[i] - '0'); j++){
                if(i > 0){
                    ans = (ans + p[i] * d % MOD * j) % MOD;
                }
            }
        }
        d = d * (n[i] - '0') % MOD;
    }
    cout << ans << endl;
}