04. Even Powers of 2

import java.util.Scanner;

public class EvenPowersOf2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int number = Integer.parseInt(scanner.nextLine());

        for (int n = 0; n <= number; n += 2) {
            System.out.println(Math.pow(2, n));
        }
    }
}