#include <iostream>
#include <cassert>
#include <algorithm>
#include <vector>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int N; cin >> N;
  vector<int> c(9, 0);
  for (int &i: c) cin >> i;
  string ans;
  for (int i = 8; i >= 0; i--) {
    for (int j = 0; j < c[i]; j++) {
      ans += to_string(i + 1);
    }
  }
  cout << ans << endl;
  return 0;
}