/**
 *    author:  ytsmash
 *    created: 15.08.2021 10:24:54
 **/

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

typedef long long ll;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define all(x) x.begin(), x.end()
const long double EPS = 1e-10;
const long long INF = 1e18;
const long double PI = acos(-1.0L);
using P = pair<int, int>;

int main() {
    int N;
    cin >> N;
    vector<int> c(9);
    rep(i, 9) { cin >> c[i]; }

    for (int i = 8; i >= 0; i++) {
        for (int j = 0; j < c[i]; j++) {
            cout << i + 1;
        }
    }
    cout << "\n";
}