type vek=array[0..99] of byte;
const v : vek=(0,1,5,2,8,3,9,2,8,7,7,8,2,9,5,0,6,9,5,4,4,5,9,6,2,7,3,{26}
               6,2,1,1,2,6,3,9,4,0,3,9,8,8,9,3,0,6,1,7,0,6,5,5,6,0,7,{53}
               3,8,4,7,3,2,2,3,7,4,0,5,1,4,0,9,9,0,4,1,7,2,8,1,7,6,6,{80}
               7,1,8,4,9,5,8,4,3,3,4,8,5,1,6,2,5,1,0);

var fin,fout:text;
    t,i,x:word;
    c1,c2,c:byte;
    s:string;
    Code:integer;
begin
  assign(fout,'cifra.out');
  rewrite(fout);
  assign(fin,'cifra.in');
  reset(fin);
  readln(fin,t);
  for i:=1 to t do begin
    readln(fin,s);
    x:=length(s);
    c1:=0;c2:=0;
    Val(s[x], c1, Code);
    if x>1 then Val(s[x-1], c2, Code);
    c:=c2*10+c1;
    writeln(fout,v[c]);
  end;
  close(fout);
  close(fin);
end.