import java.io.*;
import java.net.DatagramPacket;
import java.nio.file.Files;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws IOException {

        int  start = 0;
        String  s1 = null;

        String  s2 = null;

        int mybyte =0;

        File file = new File("song.mp3");

        int i =0;

        char one = '1';
        char zero = '0';

        FileInputStream fileInputStream = new FileInputStream(file.getPath());


        while (true){
            start = fileInputStream.read();


            if(start == 255){

                System.out.println( "Start: "+ start);
                s1 = String.format("%8s",Integer.toBinaryString(fileInputStream.read() & 0xff)).replace(' ','0');

                //  System.out.println(s1);
                if(s1.charAt(0)==one&&s1.charAt(1)==one&&s1.charAt(2)==one)

                if(s1.charAt(3)==zero&& s1.charAt(4)==zero){
                    System.out.println("MPEG Version 2.5");
                }
                if(s1.charAt(3)==zero&& s1.charAt(4)==one){
                    System.out.println("Reserved");
                }
                if(s1.charAt(3)==one&& s1.charAt(4)==zero){
                    System.out.println("MPEG Version 1");
                }
                if(s1.charAt(3)==one&& s1.charAt(4)==one){
                    System.out.println("MPEG Version 2");
                }
                if(s1.charAt(5)==zero&& s1.charAt(6)==zero){
                    System.out.println("Reserved");
                }
                if(s1.charAt(5)==zero&& s1.charAt(6)==one){
                    System.out.println("Layer III");
                }
                if(s1.charAt(5)==one&& s1.charAt(6)==zero){
                    System.out.println("Layer II");
                }
                if(s1.charAt(5)==one&& s1.charAt(6)==one){
                    System.out.println("Layer I");
                }

                if(s1.charAt(7)==zero){
                    System.out.println("No CRC");
                }

                if(s1.charAt(7)==one){
                    System.out.println("Not protected");
                }

                s2 = String.format("%8s",Integer.toBinaryString(fileInputStream.read() & 0xff)).replace(' ','0');

                break;
            }

            if(fileInputStream.read()==-1){
                break;
            }

        }

       }
}