import java.util.Scanner;

public class uncheckedException{

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int size = scanner.nextInt();
        try {
            if (size < 0) {
                throw new IllegalArgumentException("Array size cannot be negative.");
            }
            int[] arr = new int[size];
            for (int i = 0; i < size; i++) {
                arr[i] = scanner.nextInt();
            }
            int index = scanner.nextInt();

            if (index < 0 || index >= size) {
                throw new IndexOutOfBoundsException("The specified index does not exist");
            }
            System.out.println("Element at index " + index + ": " + arr[index]);

        } catch (IllegalArgumentException e) {
            System.out.println(e.getMessage());
        } catch (IndexOutOfBoundsException e) {
            System.out.println(e.getMessage());
        } finally {
            scanner.close();
        }
    }
}