#include <fstream>
#include <iostream>

using namespace std;

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

int main()
{  int n;
   string s = "";
    f>> n;

    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};
    for (int i =1; i<= n;i++)
    {
     getline(f,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';
     g<<v[p]<<"\n";
    }
    return 0;
}