#include <fstream>
#include <cstring>
using namespace std;
ifstream fin("cifra.in");
ofstream fout("cifra.out");
const int MAXL = 105;
int Sume[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,
0,0 };
char a[MAXL];
int n;
int N, T;
int main()
{
int i;
fin >> T;
for ( i = 1; i <= T; i++ )
{
fin >> a;
n = strlen( a );
if ( n == 1 )
fout << Sume[a[0] - '0'];
else
if ( n == 2 )
fout << Sume[((a[0] - '0') * 10) + (a[1] - '0')];
else
fout << Sume[((a[n - 2] - '0') * 10) + (a[n - 1] - '0')];
fout << '\n';
}
fin.close();
fout.close();
return 0;
}