#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MAX_N = 1e5 + 9;
int ans[MAX_N];
void sieve(int n) {
  int nw = 1;
  for (int i = 2; i <= n; i++) ans[i] = INT_MAX;
  for (ll i = 2; i <= n; i++) {
    if (ans[i] != INT_MAX) continue;
    for (ll j = i; j <= n; j += i) ans[j] = min(ans[j], nw);
    nw++;
  }
}
int main() {
  int n;
  cin >> n;
  sieve(n);
  for (int i = 2; i <= n; i++) cout << ans[i] << " ";
}
