Task1Lab5_2

import java.util.Scanner;

class Task1_5_2 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] numArr = new int[n];
		for (int i = 0; i < n; i++) {
			numArr[i] = sc.nextInt();
		}
		for (int j = 0; j < n; j += 2) {
			System.out.print(numArr[j] + " ");
		}
	}
}