#ifndef SHO_LOCAL
#include <bits/stdc++.h>
#define debug(...) ;
#else
#include "debug.h"
#endif
using namespace std;
using ll = long long;

const int N = (int)1e5 + 1;

int main() {
  iostream::sync_with_stdio(0), cin.tie(0);

  int n;
  cin >> n;
  vector<int> A(n);
  for (int i = 0; i < n; i++) {
    cin >> A[i];
  }

  vector<int> cnt(N, -1);

  for (int i = n - 1; i >= 0; i--) {
    int a = A[i];
    if (cnt[a] == -1) {
      cnt[a] = 1;
      int mx = 0;
      int now = a + a;
      while (now < N) {
        mx = max(mx, cnt[now]);
        now += a;
      }
      cnt[a] += mx;
    } else {
      cnt[a]++;
    }
  }
  cout << *max_element(cnt.begin(), cnt.end()) << '\n';

  return 0;
}