#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 + 10;

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];
  }

  int ans = 1;

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

  for (int i = 0; i < n; i++) {
    int a = A[i];
    int mx = 1;
    for (int d = 1; a / d > 0; d++) {
      mx = max(mx, cnt[a / d] + 1);
    }
    cnt[a] = max(cnt[a], mx);
    ans = max(ans, cnt[a]);
  }
  cout << ans << '\n';

  return 0;
}