#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;

int main() {
    cin.tie(0)->sync_with_stdio(0);

    int N;
    cin >> N;
    vector<int> C(10);
    rep(i, 9) cin >> C[i + 1];

    for (int i = 9; i >= 1; --i) {
        while (C[i]) {
            cout << i;
            C[i]--;
        }
    }
    cout << "\n";

    return 0;
}