#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string.h>
#include <stdbool.h>
#include <math.h>
#include <vector>
#include <map>
#include <set>
#define pb push_back
#define ll long long int
#define ull unsigned long long int
#define gcd(a,b)    __gcd(a,b)

using namespace std;

int main()
{
    //freopen("a.in","r",stdin);
    //freopen("a.out","w",stdout);
    // std::ios_base::sync_with_stdio(false);
    int t,q,num,chk=0,x;
    string s,T="",ch;
    cin>>t;
    while(t--){
        cin.clear();
        cin>>s;
        for(int i=0;i<s.length();i++){
            if(s[i]>='0' && s[i]<='9'){
                num = s[i]-48;
                num--;
                ch.clear();
                ch = T;
                for(int j=1;j<=num;j++){
                    T += ch;
                }
            }else{

                T += (char)s[i];
            }
            //cout<<T<<endl;
        }
        //cout<<T<<endl;
        int len = T.size();
        cin>>q;
        while(q--){
            cin>>x;
            if(x>len) cout<<-1<<endl;
            else cout<<T[x-1]<<endl;
        }
    }


    return 0;
}