using namespace std;
#include <fstream>
#include <string.h>

int c[] = {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};

int main()
{
        int n, m, x = 0, y = 0, rez;
        char s[200];
        ifstream fin("cifra.in");
        ofstream fout("cifra.out");
        fin >> n;
        while(n)
        {
                n--;
                fin >> s;
                m = strlen(s);
                x = s[m-1] - '0';
                if (m > 1) y = s[m-2] - '0';
                else y = 0;
                if (x == 0 && y == 0) rez = 99;
                else rez = y*10 + x;
                fout << c[rez-1] << "\n";
        }
        fin.close();
        fout.close();
        return 0;
}