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

class Student extends Person
{
 static int count=10000;
 static final int MAXMARKS=30;
 int numSubjects,studentNum;
 int[] marks;
 String firstNames;

 public Student(int d,int m, int y,String n1,String n2,int num,int marks[])
 throws PersonException
 {
  super(d,m,y,n1);
  numSubjects=num;
  this.marks=marks;
  firstNames=n2;
  studentNum=++count;
 }

 public static Student read(BufferedReader reader)
 throws IOException,PersonException
 {
  int day,month,year,numMarks;
  String name,marksString,dateString,nameString,firstNames;
  StringTokenizer tokens;
  int[] marks;
  nameString=reader.readLine();
  if(nameString==null)
     throw new IOException();
  tokens = new StringTokenizer(nameString);
  firstNames = tokens.nextToken();
  name=tokens.nextToken();
  while(tokens.hasMoreTokens())
     {
      firstNames+=" "+name;
      name=tokens.nextToken();
     }
  dateString=reader.readLine();
  tokens = new StringTokenizer(dateString,"/");
  day=Integer.parseInt(tokens.nextToken());
  month=Integer.parseInt(tokens.nextToken());
  year=Integer.parseInt(tokens.nextToken());
  marks = new int[MAXMARKS];
  marksString=reader.readLine();
  tokens = new StringTokenizer(marksString);
  numMarks=0;
  while(tokens.hasMoreTokens())
      marks[numMarks++]=Integer.parseInt(tokens.nextToken());
  return new Student(day,month,year,name,firstNames,numMarks,marks);
 }
   
 public String toString()
 {
  String marksString="";
  for(int i=0;i<numSubjects;i++)
     marksString+=" "+marks[i];
  return "Name: "+firstNames+" "+name+
         "\nDate of birth: "+dateOfBirth+
         "\nStudent number: "+studentNum+
         "\nMarks: "+marksString+"\n";
 }

 public int totalMarks()
 {
  int myMarks=0;
  for(int i=0;i<numSubjects;i++)
     myMarks+=marks[i];
  return myMarks;
 }

 public double averageMark()
 {
  return (double)totalMarks()/numSubjects;
 }

 public boolean lowerTotalMarksThan(Student s)
 {
  return (totalMarks()<s.totalMarks());
 }

 public boolean lowerTotalMarksThan(int n)
 {
  return (totalMarks()<n);
 }

 public boolean lowerAverageMarkThan(Student s)
 {
  return (averageMark()<s.averageMark());
 }

 public boolean lowerAverageMarkThan(double d)
 {
  return (averageMark()<d);
 }

}