#include <bits/stdc++.h>
using namespace std;
using ll=long long;

#define rep(i,n) for(int i=0;i<(int)n;++i)
#define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i)
#define debug(x) cout << #x << "=" << (x) << endl;
const ll MOD=1e9+7;

template<class T> inline bool chmin(T& a,T b){if(a>b){a=b;return true;}return false;}
template<class T> inline bool chmax(T& a,T b){if(a<b){a=b;return true;}return false;}
template<typename T> void fail(T v){cout << v << endl;exit(0);}
//template end

void solve(){
  int N;
  cin>>N;
  vector<int> A(N);
  rep(i,N) cin >> A[i];
  vector<int> res((int)3e5+1,0);
  int r=0;
  rrep(i,N){
    res[A[i]]=1;
    int m=0;
    for(ll j=A[i]<<1;j<res.size();j+=A[i])
      chmax(m,res[j]);
    res[A[i]]+=m;chmax(r,res[A[i]]);
  }
  cout<<r<<endl;
}

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(20);
  solve();
  return 0;
}