#include <fstream>
#include <cstring>

using namespace std;

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

short 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 };

int main() {
    int t,i;
    char x[128];
    f>>t;
    for(;t;t--) {
        f>>x;
        if(strlen(x)<2)
            g<<u[x[0]-'0']<<'\n';
        else
            g<<u[(x[strlen(x)-2]-'0')*10+(x[strlen(x)-1]-'0')]<<'\n';
    }
}