import java.util.Random;
import java.util.Scanner;
public class GradeBook {


	private double test1;
	private double test2;
	private double test3;
	private double pr1;
	private double pr2;
	private double pr3;
	private double as1;
	private double as2;
	private double as3;

	public GradeBook(double t1, double t2, double t3, double p1,double p2,
			double p3, double a1, double a2, double a3)
	{

		this.test1 = t1;
		this.test2= t2;
		this.test3= t3;
		this.pr1 = p1;
		this.pr2 = p2;
		this.pr3= p3;
		this.as1= a1;
		this.as2= a2;
		this.as3= a3;
	}

	public double getAverageTestscore()
	{
		double avg;
		avg= (test1+test2+test3)/3;
		Random generator = new Random();
		if (avg < 70){
			int i = generator.nextInt(2);
			if(i==1)
			avg=avg*1.08;}
			return Math.round(avg);
	}
	public double getAverageProjectScores()
	{
		double ps;
		ps=(pr1+pr2+pr3)/3;
		return Math.round(ps);
	}
	public double getAverageAssignmentScores()
	{
		double as;
		as = (as1+as2+as3)/3;
		return Math.round(as);
	}
	public double getFinalNumericScores()
	{
		double fns;
		fns = Math.round(.6*(getAverageTestscore()) + (.25*getAverageProjectScores())
				+ (.15*getAverageAssignmentScores()));
		System.out.println("Did the student have Full Attendance - Yes or No?");
		Scanner input = new Scanner(System.in);
		if (input.equals("Yes"))
		{
			fns=fns+3;
			return fns;
		}
		else
		{
			fns=fns-2;
			return fns;
		}

	}
	public String getFinalLetterGrade()
	{
		double finalScore = getFinalNumericScores();
		if (finalScore>=93&& finalScore<=103)
		{
			return "A";
		}
		else if (finalScore>=90&& finalScore<=92)
		{
			return "A-";
		}
		else if (finalScore>=87&& finalScore<=89)
		{
			return "B+";
		}
		else if (finalScore>=83&& finalScore<=86)
		{
			return "B";
		}
		else if (finalScore>=80&& finalScore<=82)
		{
			return "B-";
		}
		else if (finalScore>=77&& finalScore<=79)
		{
			return "C+";
		}
		else if (finalScore>=73&& finalScore<=76)
		{
			return "C";
		}
		else if (finalScore>=70&& finalScore<=72)
		{
			return "C-";
		}
		else if (finalScore>=67&& finalScore<=69)
		{
			return "D+";
		}
		else if (finalScore>=63&& finalScore<=66)
		{
			return "D";
		}
		else if (finalScore>=60&& finalScore<=62)
		{
			return "D-";
		}
		else
		{
			return "F";
		}
	}
}