#include<iostream>
#include<vector>
#include<algorithm>
#include<functional>
#include<queue>
#include<stack>
#include<set>
#include<map>
#include<unordered_map>
#include<climits>
#include<cstdlib>
#include<cmath>
#include<string>
#include<iomanip>
#include<bitset>

using namespace std;

#define ll long long int

ll const MOD = 1000000007;
ll const INF = (long long int)1 << 61;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    ll n;
    cin >> n;

    ll x = n%(MOD-1);

    ll y = (((MOD)*(MOD-1))/2)%MOD;

    ll z = ((((n/(MOD-1))%MOD)*y)%MOD);

    ll base = 1;

    for(int i = 1; i < 100000; i++){
        base = (base*10 + 1)%MOD;
    }

    ll ans = 0;
    
    if(x <= 100000){
        ans = 1;
    }

    while(x > 100000){
        x -= 100000;
        ans = (ans * 10000 + base)%MOD;
    }

    ll tmp;
    for(int i = 0; i < x; i++){
        tmp = ans;
        ans = (ans*10 + 1)%MOD;
    }

    cout << (ans + (tmp + z)*2)%MOD << endl;
    
    return 0;
}