FinalExam - Message Decripter

package com.company;


import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());
        String regex = "^(\\$|%)([A-Z][a-z]{3,})\\1:\\s(\\[(\\d+)\\]\\|)(\\[(\\d+)\\]\\|)(\\[(\\d+)\\]\\|)$";
        Pattern pattern = Pattern.compile(regex);
        int firstNumberInText = 0;
        int secondNumberInText = 0;
        int thirdNumberInText = 0;


        for (int i = 0; i < n; i++) {
            String input = scanner.nextLine();

            Matcher matcher = pattern.matcher(input);
            if (matcher.find()) {

                String tagName = matcher.group(2);
                firstNumberInText = Integer.parseInt(matcher.group(4));
                secondNumberInText = Integer.parseInt(matcher.group(6));
                thirdNumberInText = Integer.parseInt(matcher.group(8));
                char firstAscii = (char) (firstNumberInText);
                char secondAscii = (char) (secondNumberInText);
                char thirdAscii = (char) (thirdNumberInText);
                System.out.printf("%s: %c%c%c%n", tagName, firstAscii, secondAscii, thirdAscii);


            } else {
                System.out.println("Valid message not found!");
            }


        }


    }
}