#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;
for(int i=1; i<=T; i++)
{
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;
}