#include <fstream>
#include <iostream>
using namespace std;

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};

int main()
{
  ifstream fin("cifra.in");
  ofstream fout("cifra.out");

  int T;
  string numar;
  fin>>T;

  getline(fin,numar);
  for(int i=1; i<=T; i++)
  {
    getline(fin,numar);
    if(numar.size()==1)
      fout<<v[numar[0]-'0']<<endl;
    else
    {
      int val=(numar[numar.size()-2]-'0')*10+(numar[numar.size()-1]-'0');
      fout<<v[val]<<endl;
    }
  }

  return 0;
}