// Page 154 - 156

import java.util.Scanner;
public class Student
{
	private String name;
	private int[] scores=new int[3];
	public Student()	// default constructor
	{
		name = " ";
		scores[0]=0;
		scores[1]=0;
		scores[2]=0;
 	}
	public Student(String n, int s1, int s2, int s3)
        {
		name=n;
		scores[0]=s1;
		scores[1]=s2;
		scores[2]=s3;
	}
	public void set(String n, int s1, int s2, int s3)
	{	name=n;
		scores[0]=s1;
		scores[1]=s2;
		scores[2]=s3;
	}
	public double avg()
	{
		double t;
		t = (scores[0]+scores[1]+scores[2])/3.0;
		return t;
	}
	public String grade()
	{
		if(avg() >= 60)
			return "P";
		else
			return "F";
	}
	public void writeOut()
	{
		System.out.println ("Avg: " + avg()+ ", Grade: " + grade());
	}
	public static void main(String[] args)	// The driver code
	{
		Scanner input=new Scanner(System.in);
		Student me = new Student();	// invoke default
		String n;

		System.out.println("\n\nMe: before\n");
		me.writeOut();

		int s1, s2, s3;
		System.out.print("Name: ");
		n = input.nextLine();
		System.out.print("Three tests: ");
		s1 = input.nextInt();
	 	s2 = input.nextInt();
		s3 = input.nextInt();
		me.set(n, s1, s2, s3);
		System.out.println("\n\nMe: after\n");
		me.writeOut();
	}
}