#include<bits/stdc++.h>

using namespace std;
const int MAXN = 1e5 + 5;
int n, a[MAXN], dp[MAXN];
int main(){
  ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++){
    cin >> a[i];
    dp[i] = 1;
  }
  int ans = -1;
  for (int i = 1; i <= n; i++){
    for (int j = 1; j < i; j++){
      if (a[i] % a[j] == 0){
        dp[i] = max(dp[i], dp[j] + 1);
      }
    }
    ans = max(ans, dp[i]);
  }
  cout << ans;
  return 0;
}