const v:array[0..100] of byte=(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);
var s:string;
    p1,i,c,t,nr,p2:integer;
    f,g:text;

begin
  assign(f,'cifra.in');
  reset(f);
  assign(g,'cifra.out');
  rewrite(g);
  readln(f,t);
  for i:=1 to t do
    begin
      readln(f,s);
      val(s[length(s)],p1,c); val(s[length(s)-1],p2,c);
      nr:=p2*10+p1;
      writeln(g,v[nr]);
    end;
  close(f);
  close(g);
end.