import java.io.*;
import java.util.*;

public class SortListOfStudents {
  
  public static void readFromFile(List<Student> students, File f) {    
    try(Scanner sc = new Scanner(f)) {
      while(sc.hasNextLine()) {        
        students.add( new Student(sc.nextInt(), sc.next(), sc.next()) );
      }
    }
    catch(FileNotFoundException ex) {
      System.out.println("File \""+f.getName()+"\" was not found!");
    }
    catch(InputMismatchException ex) {
      System.out.println("Input mismatch while reading with scanner!!!");
      ex.printStackTrace();
      System.exit(-1);
    }
  }
  
  public static String toString(List<Student> students) {
    StringBuilder str = new StringBuilder();
    for(Student st : students) 
      str.append(st+"\n");
    str.append("---------------------------------\n");
    return str.toString();
  }
  
  public static void main(String []args) {
    if(args.length == 0) {
      System.out.println("Insufficient number of arguments!\n");
      return;
    }
    List<Student> students = new ArrayList<Student>();
    readFromFile(students, new File(args[0]));
    System.out.println(" --- Init Ordering ---\n");
    System.out.println(toString(students));
    Student.sortLexicographically(students);
    System.out.println(" --- Lexicographic Ordering ---\n");
    System.out.println(toString(students));
    Student.sortByAEM(students);
    System.out.println(" --- AEM Ordering ---\n");
    System.out.println(toString(students));
  }
}