public class Solution { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); ArrayList<String> list = new ArrayList<>(); list.add("January"); list.add("February"); list.add("March"); list.add("April"); list.add("May"); list.add("June"); list.add("July"); list.add("August"); list.add("September"); list.add("October"); list.add("November"); list.add("December"); String read = reader.readLine(); int mon = list.indexOf(read); System.out.println(read + " is the " + mon + " month"); //напишите тут ваш код } }