#include <fstream>
using namespace std;

char n[105];
short const v[]={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,
                 1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
short t, i, p;

int main()
{
    ifstream f("cifra.in");
    ofstream g("cifra.out");
    f >> t;f.getline(n,100);
    while (t--)
    {
        p = 0;
        f.getline(n,105);
        i = strlen(n);
        if (i > 1)
        {
         p += n[i - 2] - '0';
         p = (p << 1) + (p << 3);
         p += n[i - 1] - '0';
        }
        else
         p = n[i - 1] - '0';
        g << v[--p] << "\n";
    }
    return 0;
}