#include <iostream>
#include <fstream>
#include <string>
//#include <sstream>
using namespace std;

/**/

int main()
{
int n,ns;
int uc,pc,nc;
char sirc[2];
char sir[200];
short rez[] = {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};
//stringstream sirc (stringstream::in | stringstream::out);
//string sir;
ifstream f1 ("cifra.in");
ofstream f2 ("cifra.out");
if (f1.is_open())
{
  while (! f1.eof())
  {
    f1>>n;
    for (int i=0; i<n; ++i)
    { 
      f1>>sir;
      ns = strlen(sir);
      if (ns >=2)
      {
        sirc[0] = sir[ns-2]; 
        sirc[1] = sir[ns-1]; 
        nc = atoi(sirc);
        uc=nc%10;
        nc=nc/10;
        pc=nc%10;
        nc = pc*10+uc;
      }
      else
      {
        sirc[0] = sir[0]; 
        nc = atoi(sirc);
      }
      //sir.clear();
      f2<<rez[nc]<<"\n";
      f2.flush();
      //sir.clear();
    }             
  }
}
//cin.ignore();
//cin.get();
f1.close();
f2.close();
return 0;
}