40 не 40, а 10 запросто https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BF%D1%86%D0%B5%D0%B2,_%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80_%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B2%D0%B8%D1%87