//
//
import java.util.Scanner;
class CalAvgOfArray
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		int[] arr = new int[50];
		int size = 0;

		while(input.hasNextInt())
		{
			int temp = input.nextInt();
			arr[size] = temp;
			size ++;
		}
		System.out.println("size = " + size);
		double avg = average(arr, size);
		System.out.println("AVG = " + avg);
		int m = max(arr, size);
		System.out.println("MAX = " + m);
		System.out.println("\n\nDone.\n\n");
	}
	// P.127
	private static double average(int[] grade, int size)
	{
		double mean, sum=0;
		for(int i=0; i<size; i++)
			sum += grade[i];
		mean = sum / size;
		return mean;
	}
	private static int max(int[] score, int size)
	{
		int largest = score[0];
		for(int i=0; i<size; i++)
			if(largest < score[i])
				largest = score[i];
		return largest;
	}
}