#include <iostream>
#include <string>
#include <fstream>
using namespace std;

ifstream fin("cifra.in");
ofstream fout("cifra.out");

int v[102] = {0, 1, 5, 2, 8, 3, 9, 2, 8, 7, 7, 8, 4, 7, 3, 8, 4, 1, 5, 4, 4, 5, 9, 6, 2, 7, 3, 6, 2, 1, 1, 2, 8, 1, 7, 2, 8, 5, 9, 8, 8, 9, 3, 0, 6, 1, 7, 0, 6, 5, 5, 6, 2, 5, 1, 6, 2, 9, 3, 2, 2, 3, 7, 4, 0, 5, 1, 4, 0, 9, 9, 0, 6, 9, 5, 0, 6, 3, 7, 6, 6, 7, 1, 8, 4, 9, 5, 8, 4, 3, 3, 4, 0, 3, 9, 4, 0, 7, 1, 0};

int fn(int a, int b)
{
    return a * 10 + b;
}

int main()
{
    int t;
    fin >> t;
    for (int i = 0; i < t; ++i)
    {
        string n;
        fin >> n;
        int l = n.length();
        if (l == 1)
        {
            int p = (n[0] - 48);
            fout << v[p] << "\n";
        }
        else
        {
            int numar = fn(n[l-2] - 48, n[l-1] - 48);
            fout << v[numar] << "\n";
        }
    }
    return 0;
}