import java.util.Scanner;

public class runner_U6_L5_Activity_Three {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("Enter array length:");
        int len = scan.nextInt();
        int[] nums = new int[len];
        System.out.println("Enter values:");
        for (int i = 0; i < len; i++) {
            nums[i] = scan.nextInt();
        }
        System.out.println(U6_L5_Activity_Three.avg(nums));
    }
}