!752

answer {
  if (!tb()) null;
  
  if "is * a typical bot id"
    ret yn(isTypicalBotID(m.unq(0)));
}

static boolean isTypicalBotID(S s) {
  if (!isInteger(s)) ret false;
  if (eq(l(s), 4)) ret true;
  if (eq(l(s), 7) && s.startsWith("100")) ret true;
  ret false;
}