#include<iostream>
#include<cstring>
#include<fstream>
#include<algorithm>
using namespace std;
fstream fin("phone.in",ios::in),fout("phone.out",ios::out);
char unu[11][12],x[12],model[12];
int lmodel,lunu[11];
void scrie(int k)
{
    int i;
    for(i=0;i<=k;i++)
    {
        cout<<x[i];
    }
    cout<<endl;
}
void back(int k)
{
    int i,r;
    if(k==lmodel)
    {
        scrie(k-1);
        return;
    }
    for(i=0;i<lunu[model[k]-'0'];i++)
    {
        if(x[k-1]<=unu[model[k]-'0'][i]&&k>0)
        {
            x[k]=unu[model[k]-'0'][i];
            back(k+1);
        }
        else
        {
            if(k==0)
            {
                x[k]=unu[model[k]-'0'][i];
                back(k+1);
            }
        }
    }
}
int main()
{
    int i;
    for(i=0;i<10;i++)
    {
        fin>>unu[i];
        lunu[i]=strlen(unu[i]);
        sort(unu[i],unu[i]+lunu[i]);
    }
    fin>>model;
    lmodel=strlen(model);
    back(0);
}