Untitled

import java.util.*;

public class testADT {
    static Scanner A = new Scanner(System.in);

    public static void main(String args[])
    {   
        /*System.out.println("enter number of variables");
        int n = A.nextInt();
        int arr[]=new int[n];

        System.out.println("enter elements");

        for(int i=0;i<n;i++){
            arr[i]=A.nextInt();
        }

        System.out.println("get sum");
        int x = arr[0] + arr[2] + arr[1];
        System.out.println("sum is " + x);
        int a = arr[0] * arr[2] * arr[1];
        System.out.println("product is " + a);
        double b = (arr[0] + arr[2] + arr[1])/3;
        System.out.println("average is " + b);*/

        //declare the array 
        //enter all 3 numbers in array
        //get sum by adding all elements in array
        //get product by multiplying all elements in array
        //get  average by adding all elements and dividing by the number of elements


        /*System.out.println("enter the number of terms");
        int n = A.nextInt(), firstTerm = 0, secondTerm = 1;
        System.out.println("Fibonacci Series till " + n + " terms:");

        for (int i = 0; i <= n; ++i) {
        System.out.print(firstTerm + ", ");

            // compute the next term
            int nextTerm = firstTerm + secondTerm;
            firstTerm = secondTerm;
            secondTerm = nextTerm;
        }*/
        
        //declare first term as 0 and second term as 1
        //enter number of terms
        //use loop to
        int x = A.nextInt();
        int y = A.nextInt();
        int count = 0;
        double sum = 0;
        for (int i = x; i <= y; i++) {
            if (i % 3 == 0) {
                System.out.print(i+", ");
                sum += i;
                count++;
            }
        }
        System.out.println("Average: " + sum / count);
    }
}