#include <bits/stdc++.h>

using namespace std;

char v[] = {"0152839287784738415445962736211281728598893061706556251629322374051409906950637667184958433403940710"};

int main()
{
    ifstream fin("cifra.in");
    ofstream fout("cifra.out");
    int tests;
    fin >> tests;
    while (tests-- > 0)
    {
        string s;
        fin >> s;
        int pos = (s.back() - '0');
        s.pop_back();
        if (!s.empty())
            pos += 10 * (s.back() - '0');
        fout << v[pos] << "\n";
    }
    return 0;
}