#include <iostream>
#include<queue>
#include <algorithm>
#include <map>
#include<unordered_map>
#include <set>
#include <fstream>
#include <vector>
#include <math.h>
#include <iomanip>
#include <string>
#include <cstring>
using namespace std;
 
#define ll long long
 
ll mod = 1e9+7;
const int MaxN = 1e5+5;
int MOD = 998244353;
int bit[200000];
ll dem=0;
 
int main() {
	//freopen("CSBN.INP", "r", stdin);
	//freopen("CSBN.OUT", "w", stdout);
	int n;
	cin >> n;
	vector<ll> v(n+1);
	map<int,int> mp;
	map<int,int> cnt;
	for(int i=1;i<=n;i++){
		cin >> v[i];
		mp[v[i]]++;
	}
	for(int i=1;i<=n;i++){
        for(int j=v[i];j<=n;j+=v[i]) cnt[v[i]]+=mp[j];
    }
    sort(v.begin()+1,v.end());
    for(int i = n;i>=1;i--){
    	if(cnt[i]>1){
    		cout << cnt[i];
		}
	}
	return 0;
}

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NQozIDE0IDE1IDcgOQ==

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