#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < n; i++)
#define REP(i,s,n) for(int i = s; i < n; i++)
typedef long long ll;
using namespace std;
using Graph = vector<vector<int>>;
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { return (a * b) / gcd(a,b); }
ll ceil(const ll a, const ll b) { return (a + b - 1) / b; }
int main(){
  int n;
  cin >> n;
  REP(i,1,n + 1)rep(j,n)cout << i;
  cout << endl; 
  return 0;
}