#include <fstream>
#include <string>

using namespace std;

int main() {
    ifstream fi("cifra.in");
    ofstream fo("cifra.out");

    int v[100] = {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};

    int totaltest;
    fi >> totaltest;
    string s;
    getline(fi, s);
    for (int test = 1; test <= totaltest; test++) {
        getline(fi, s);
        int nr = 0;
        int l = s.size();
        for (int i = l - 1; i >= 0 && i >= l - 2; i--) {
            nr += (s[i] - '0') * ((i == l - 1) ? 1 : 10);
        }
        fo << v[nr] << endl;
    }

    return 0;
}