vtora zadacha

using System;
using System.Collections.Generic;
using System.Linq;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Vuvedi golemina na array:");
            int n = Convert.ToInt32(Console.ReadLine());
            double[] arr = new double[n];
            for (int i = 0; i < n; i++)
            {
                Console.WriteLine("Vuvedi chislo:");
                arr[i] = Convert.ToDouble(Console.ReadLine());
            }

            Console.WriteLine("Chisla na cheten index:");
            for (int i = 0; i < arr.Length; i++)
            {
                if (i % 2 == 0)
                {
                    Console.WriteLine(arr[i]);
                }
            }
        }


    }
}