1public class Main {
2    public static void main(String[] args) {
3        int[] arr = {10, 20, 30, 40, 50};
4        int sum = 0;
5        for (int i = 0; i < arr.length; i += 2) {
6            sum += arr[i];
7        }
8        System.out.println(sum);
9    }
10}