/* -*- coding: utf-8 -*-
 *
 * 1628.cc:  No.1628 Sorting Integers (MAX of M) - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 9;

/* typedef */

/* global variables */

int cs[10];

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d", &n);
  for (int i = 1; i <= 9; i++) scanf("%d", cs + i);

  for (int i = 9; i >= 1; i--)
    while (cs[i]--) putchar('0' + i);
  putchar('\n');
  return 0;
}