//Name:

import java.util.*;
import static java.lang.System.*;


public class Methods {
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);

		int grade1 = 0;
		int grade2 = 0;
		int grade3 = 0;
		int sum = 0;
		double average = 0.0;

		System.out.println("  enter  grade  one         * ");
		grade1 = reader.nextInt();

		out.println("  *enter  grade  two       * ");
		grade2 = reader.nextInt();

		out.println("  *enter  grade  three      * ");
		grade3 = reader.nextInt();

		sum = findSum(grade1, grade2, grade3);
		average = findAverage(sum);


		System.out.println(" Your average =  " + average);
		System.out.println();
		comment(average);


		higher(grade1, grade2, grade3);
	}  // end of main

	//********************************************************************     1
	public static int findSum(int g1, int g2, int g3) {
		return g1 + g2 + g3;
	}

	//********************************************************************
	public static double findAverage(int sum) {
		return sum / 3.0;
	}
//**************************************************************

	// Prints a comment based on the average
	public static void comment(double myAvg) {
		if (myAvg >= 90) {
			System.out.println("A!");
		} else if (myAvg >= 80) {
			System.out.println("B!");
		} else if (myAvg >= 70) {
			System.out.println("C!");
		} else if (myAvg >= 60) {
			System.out.println("D!");
		} else {
			System.out.println("F!");
		}
	}

	//**************************************************************
// Return the largest of the three values
	public static int higher(int g1, int g2, int g3) {
		int array[] = {g1, g2, g3};

		int highest = 0;
		int lowest = 0;
		int largest = Integer.MIN_VALUE;
		int smallest = Integer.MAX_VALUE;


		System.out.println("Array.length: " + array.length);

		for (int i = 0; i < array.length; i++)
		{
			if (i > largest)
			{
				i = highest;
				System.out.println(i);
			}

			if (i < smallest)
			{
				i = lowest;
				System.out.println(i);
			}
		}

		return highest;
	}
}