O2. Emoji Detector / FinalExam - O5

package FinalExam.O5;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class O2EmojiDetector {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();
        int sum = 1;
        int counter = 0;
        Matcher matcher = Pattern.compile("(?<numbers>\\d)").matcher(input);
        while (matcher.find()) {
            int number = Integer.parseInt(matcher.group("numbers"));
            sum = sum * number;
        }

        Matcher matcher2 = Pattern.compile("(?<name>([*]{2})[A-Z][a-z]{2,}([*]{2})|([:]{2})[A-Z][a-z]{2,}([:]{2}))")
                .matcher(input);
        List<String> collList = new ArrayList<>();
        while (matcher2.find()) {
            int sumChar = 0;
            String name = matcher2.group("name");
            counter++;
            for (int i = 2; i < name.length() - 2; i++) {
                char a = name.charAt(i);
                sumChar += a;
            }
            if (sumChar > sum) {
                collList.add(name);
            }
        }
        System.out.println("Cool threshold: " + sum);
        System.out.println(counter + " emojis found in the text. The cool ones are:");
        for (String s : collList) {
            System.out.println(s);
        }
    }
}