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

class Massiivitehted2 {
    public static void Main(string[] arg) {
            int[] m = {2, 6, 4, 5, 3, 2, 4, 3, 2};
            Console.WriteLine(string.Join(" ", m));
            Console.WriteLine("Suurim: "+m.Max());
            Console.WriteLine("Nelja esimese summa: "+m.Take(4).Sum());
            int[] m2=m.Take(4).ToArray<int>();
            Console.WriteLine("Tagurpidi: "+string.Join(" ", m2.Reverse().ToArray<int>()));
    }
}