#include <iostream>
#include <fstream>
using namespace std;
ifstream in("cifra.in");
ofstream out("cifra.out");

int v[] = {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};
string s = "";
int main()
{
    int n;
    in >> n;
    getline(in, s);
    for(int i = 1; i <= n; i++)
    {
        getline(in, s);
        int p = 0;
        if(s.size() >= 2)
            p = (s[s.size() - 2] - '0') * 10 + s[s.size() - 1] - '0';
        else
            p = s[0] - '0';
        out << v[p] << "\n";
    }
    return 0;
}