12554 A Special "Happy Birthday" Song!!!

import java.util.ArrayList;
import java.util.Scanner;

class Another {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int people = scanner.nextInt();
        scanner.nextLine();
        ArrayList<String> persons = new ArrayList<>();
        for (int i = 0; i < people; i++) {
            persons.add(scanner.nextLine());
        }
        ArrayList<String> song = new ArrayList<>();
        song.add("Happy");
        song.add("birthday");
        song.add("to");
        song.add("you");
        song.add("Happy");
        song.add("birthday");
        song.add("to");
        song.add("you");
        song.add("Happy");
        song.add("birthday");
        song.add("to");
        song.add("Rujia");
        song.add("Happy");
        song.add("birthday");
        song.add("to");
        song.add("you");

        if (people <= 16) {
            for (int i = 0; i < song.size(); i++) {
                System.out.println(persons.get(i % persons.size()) + ": " + song.get(i));
            }
        } else {

            int extra = (persons.size() % song.size());

            for (int i = 0; i < persons.size(); i++) {
                System.out.println(persons.get(i) + ": " + song.get(i % 16));
            }

            for (int i = extra; i < 16; i++) {
                System.out.println(persons.get(i - extra) + ": " + song.get(i));
            }

        }
    }


}