{ problema cifra - infoarena.ro}

const
cifre:array[1..100]of integer=(1,5,2,8,3,9,0,8,7,6,7,3,6,2,7,3,2,4,3,2,3,7,4,0,5,1,2,0,9,8,9,5,8,4,9,5,4,6,5,4,5,9,6,2,7,3,4,2,
1,0,1,7,0,6,1,7,6,8,7,6,7,1,8,4,9,5,6,4,3,2,3,9,2,8,3,9,8,0,9,8,9,3,0,6,1,7,8,6,5,4,5,1,4,0,5,1,0,2,1,0);

type sir=array[1..30000] of string[101];

var er,ind,t,i:integer;
    f,g:text;
    lung:byte;
    a:sir;
    s:string;

begin

  assign(f,'cifra.in');  reset(f);
    readln(f,t);
   for i:= 1 to t do
     begin
      readln(f,a[i]);
      lung:=length(a[i]);
      s:=a[i];
    if lung > 2 then
      a[i]:=s[lung-1]+s[lung];
      end;
     close(f);

 assign(g,'cifra.out');  rewrite(g);
 for i:=1 to t do begin
      val(a[i],ind,er);
    writeln(g,cifre[ind]);
            end;

  close(g);
end.