package StreamApi_QueryMethods.Exercises;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class StudentsByGroup {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));


        List<String> names = new ArrayList<>();
        while (true) {
            String input = reader.readLine();
            if (input.equals("END")) {
                break;
            }

            names.add(input.trim());


        }


        names.stream()
                .filter(e -> e.charAt(e.length()-1) == '2')
                .sorted(String::compareTo)
                .forEach(e -> System.out.println(e.replace("2","")));

    }
}