#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 100000;
int x[MAX_N], dp[MAX_N];

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) cin >> x[i];
    sort(x, x + n);
    int res = 0;
    for (int i = 0; i < n; i++) {
        dp[i] = 1;
        for (int j = 0; j < i; j++) {
            if (x[j] < x[i] && x[i] % x[j] == 0) {
                dp[i] = max(dp[i], dp[j] + 1);
            }
        }
        res = max(res, dp[i]);
    }
    cout << res << "\n";
    return 0;
}