#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll n;
    cin >> n;
    auto f = [&](int v){
        ll md = (v * 1'111'111'110ll) % n;
        string ans(9, '0' + v);
        if((md + 9) % n == 0){
            cout << ans << '9' << '\n';
            exit(0);
        }
        for(int i = 11; i <= 2000; i++){
            ans += '0' + v;
            md *= 10;
            md += v;
            md %= n;
            if((md + 9) % n == 0){
                cout << ans << '9' << '\n';
                exit(0);
            }
        }
    };
    for(int i = 1; i <= 9; i++) f(i);
}