#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); ++i)

int main() {
  int n;
  vector<int> c(9);
  cin >> n;
  rep(i, 9) cin >> c[i];
  for (int i = 8; i >= 0; i--) {
    while (c[i]--) cout << i + 1;
  }
  cout << endl;
  return 0;
}