# include <fstream>
# include <string>

using namespace std;

ifstream f("cifra.in");
ofstream g("cifra.out");

int t, k, i, l;
int a[105] = { 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 };
string s;

int lit ( char c )
{
    return c - 48;
}

int main()
{

    f >> t;
    for ( i = 1; i <= t; i ++ )
    {
        f >> s;

        l = s.size();
        k = lit ( s[l - 1] );

        if ( l > 1 )
        {
            k = k + 10 * ( lit ( s[l - 2] ) );
        }

        g << a[k] << "\n";

    }


    return 0;
}