#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=144494;
ll mod=1000000007;
int main(){
    ll n;
    cin >> n;
    string s;
    for (ll i =1; i <= n; i++)
    {
        for (ll j = 0; j < n; j++)
        {
            char c=i%10+'0';
            s.push_back(c);
        }
    }
    cout << s << endl;
}