#include<iostream>
#define rep(i,n) for(i=0;i<(int)(n);i++)
#define X 9
using namespace std;
typedef long long ll;
typedef unsigned long long ull;

int n,c[X];

int main(){
    int i;
    ll m=0;
    scanf("%d",&n);
    rep(i,X)scanf("%d",&c[i]);
    i=X-1;
    while(i>=0){
        while(c[i]>0){
            m*=10;
            m+=i+1;
            c[i]--;
        }
        i--;
    }
    printf("%lld\n",m);
    return 0;
}