#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000005

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