#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using std::cin;
using std::cout;
using std::vector;

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