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

int main()
{
	int N;
	vector<int> c( 9 );
	cin >> N;
	for( int i = 0; i < 9; i++ ) {
		cin >> c[i];
	}

	int j = 8;
	string ans;
	for( int i = 0; i < N; i++ ) {
		while( c[j] == 0 ) j--;
		ans += (char)('0' + j + 1);
		c[j]--;
	}

	cout << ans << endl;
}