#include <iostream>
#include <math.h>
#include <fstream>
#include <string>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");

int a[105] = { 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 };
string s; int t,d,k;
int lit(char k)
{
    return k-48;
}
int main()
{
    f>>t;
    for(int i=1;i<=t;i++)
    {
    f>>s;
    d=s.size();

    k=lit(s[d-1]);
   if(d>1) k=k+10*(lit(s[d-2]));
    g<<a[k]<<"\n";

    }

    return 0;
}