#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using std::cin;
using std::cout;
using std::vector;

inline void chmax(int& x, int y) { if (x < y) x = y; }

int main() {
	int n;
	cin >> n;
	
	vector<int> a(n);
	rep(i, n) cin >> a[i];
	
	vector<int> dp(n);
	rep(i, n) {
		dp[i] = 1;
		rep(j, i) {
		    if (a[i] == a[j]) continue;
			if (a[i] % a[j] == 0)
			   chmax(dp[i], dp[j] + 1);
		}
	}
	
	int ans = *max_element(dp.begin(), dp.end());
	cout << ans << '\n';
	
	return 0;
}