#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;
using ll = long long;


int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int n;
    cin>>n;
    vector<int> c(10,0);
    for(int i = 1;i<=9;i++) cin>>c[i];
    for(int i = 9;i>=1;i--){
        for(int j = 0;j<c[i];j++) cout<<i;
    }
    cout<<endl;
}