using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ArrayDisplay
{
    class Array
    {
        static void Main(string[] args)
        {
            int[] array = new int[10];
            int userInput = -1;
            int itt = 0;
            int count = 0;

            Console.WriteLine("Enter a integer number or -1 to exit:");
            userInput = Convert.ToInt32(Console.ReadLine());
            count++;

            while (userInput != -1 && itt < array.Length)
            {
                array[itt] = userInput;
                itt++;

                Console.WriteLine("Enter a integer number or -1 to exit:");
                userInput = Convert.ToInt32(Console.ReadLine());
                count++;
            }
            Console.WriteLine("The array contains: ");
            for (int i = 0; i < array.Length; i++)
            {
                Console.Write("{0}  ", array[i]);

            }
            Console.WriteLine("");
            Console.WriteLine("count {0}", count - 1);

            if (count % 2 == 0)
            {
                for (int i = 0; i < array.Length - 1; i += 2)
                {
                    Console.Write("{0} ", i == count - 2 ? array[i] : array[i] * array[i + 1]);
                }
            }
            else
            {
                for (int i = 0; i < array.Length - 1; i += 2)
                {
                    Console.Write("{0} ", array[i] * array[i + 1]);
                }

            }
        }
    }
}