#include <fstream>
#include <cstring>
using namespace std;
ifstream f("cifra.in"); ofstream g("cifra.out");
int u[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, 0
           };
char x[102];
int main()
{   int t,nr;
    f>>t;
    while(t--)
    {   f>>x;
        nr=strlen(x);
        if(nr==1) g<<u[x[0]-'0']<<'\n'; else g<<u[(x[nr-2]-'0')*10+(x[nr-1]-'0')]<<'\n';
    }
    g.close(); return 0;
}