#include <bits/stdc++.h>

using namespace std;

int main() {
  int n;
  cin >> n;
  int m = 1;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      cout << m;
    }
    m++;
  }
  cout << endl;

  return 0;
}