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


int main() {
    ll N,C;
    vector<ll> veC={};
    string ans="";
    cin >> N;
    for (int i=0;i<9;i++){
        cin >> C;
        veC.push_back(C);
    }
    for (int i=8;i>=0;i--){
        for (int j=0;j<veC[i];j++){
            ans += to_string(i+1);
        }
    }
    cout << ans;
}