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

int n;
int c[9];
long long m = 0;

int main()
{
	cin >> n;

	for (int i = 0; i < 9; i++)
		cin >> c[i];

	for (int i = 8; i >= 0; i--) {
		while (c[i] > 0) {
			m *= 10;
			m += i + 1;
			c[i]--;
		}
	}

	cout << m << endl;
}