package company.GoodbyeTech;

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

public class SongEncryption {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String input = "";

        String reg = "^([A-Z][a-z'\\s]+):([A-Z\\s]+)$";

        String artist = "";
        String song = "";

        //Pattern pattern = Pattern.compile(regex);
        Pattern pattern = Pattern.compile(reg);

        while (!"end".equals(input = scanner.nextLine())) {

            String[] name = input.split(":");

            Matcher matcher = pattern.matcher(input);

            if (matcher.find()) {

                    artist = matcher.group(1);
                    song = matcher.group(2);

                int key = artist.length();

                StringBuilder encryArtist = new StringBuilder();
                StringBuilder encrySong = new StringBuilder();

                for (int i = 0; i < artist.length(); i++) {

                    if (artist.charAt(i) == ' ' || artist.charAt(i) == '\'') {
                        encryArtist.append(artist.charAt(i));
                        continue;
                    }

                    if (artist.charAt(i) + key > 'z') {

                        int res = 'z' - artist.charAt(i);
                        char symbol = (char) ((key - res) + 'a' - 1);
                        encryArtist.append(symbol);

                    } else {
                        char symbol = (char) (artist.charAt(i) + key);

                        encryArtist.append(symbol);
                    }
                }
                encryArtist.append('@');

                for (int i = 0; i < song.length(); i++) {

                    if (song.charAt(i) + key > 'Z') {

                        int res = 'Z' - song.charAt(i);
                        char symbol = (char) ((key - res) + 'A' - 1);
                        encrySong.append(symbol);

                    } else {
                        char symbol = (char) (song.charAt(i) + key);

                        encrySong.append(symbol);
                    }

                }

                System.out.println("Successful encryption: " + encryArtist + encrySong);

            } else {
                System.out.println("Invalid input!");
            }


        }
    }
}