#include <bits/stdc++.h>
using namespace std;
vector<int> a;
void SieveOfEratosthenes(int n) {
  bool prime[n + 1];
  memset(prime, true, sizeof(prime));
  for (int p = 2; p * p <= n; p++) {
    if (prime[p] == true) {
      for (int i = p * p; i <= n; i += p) prime[i] = false;
    }
  }
  for (int p = 2; p <= n; p++)
    if (prime[p]) a.push_back(p);
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n;
  cin >> n;
  SieveOfEratosthenes(100000);
  for (int i = 2; i <= n; i++) {
    for (int j = 0; j < a.size(); j++) {
      if (i % a[j] == 0) {
        cout << j + 1 << " ";
        break;
      }
    }
  }
  return 0;
}
