package com.company.Regex;

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) == ' ') {
                            encrySong.append(song.charAt(i));
                            continue;
                        }

                        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!");
                }
            }
        }
    }