program sdad;

var
  a, i: integer;


begin
  readln(a);
  
  for i := 10 to 99 do
  begin
    if (i mod 10 = a) or (i div 10 = a) then 
    begin
      writeln(i);
      continue;
    end;
    if i mod a = 0 then writeln(i);
  end;
  
  
end.