#include<iostream>
#include<sstream>
#include<cmath>
using namespace std;

int main()
{
    int size;
    cin>>size;
    long int *x = new long int [size];
    int i, max = 0;
    for(i = 0;i< size;i++){
        cin>>x[i];
        if(x[i] > max){
            max = x[i];
        }
    }
    long int a = 1, c;
    int b = 1, d = 0;
    int answer;
    stringstream ss;
    while(b <= max){
        ss << a;
        c = a;
//
        b += log10(a);
        a = a * 10;
    }
    string s;
    s = ss.str();
    ss.clear();
    for(i = 0; i < size; i++){

        cout << s[x[i]-1] << ' ';
    }
    //cout << '\n' << s << '\n';

    s.clear();
    delete [] x;
    return 0;
}