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

namespace ConsoleApplication44
{
    class Program
    {
        static void Main(string[] args)
        {
            DynamicArray dynArray = new DynamicArray();

            dynArray.array = new int[]{1, 2, 3, 4, 5};
            int x = 6;

            for (int i = 0; i < dynArray.array.Length; i++)
                Console.WriteLine(dynArray.array[i]);
            Console.WriteLine();

            dynArray.array = dynArray.AddToArray(x);
            for (int i = 0; i < dynArray.array.Length; i++)
                Console.WriteLine(dynArray.array[i]);

            x = 7;
            dynArray.array = dynArray.AddToArray(x);
            for (int i = 0; i < dynArray.array.Length; i++)
                Console.WriteLine(dynArray.array[i]);
        }
    }

    class DynamicArray
    {
        public int[] array;

        public int[] AddToArray (int element)
        {
            int[] tempArray = new int[array.Length +1];
            for (int i = 0; i < array.Length; i++)
                tempArray[i] = array[i];
            Console.WriteLine();
            tempArray[tempArray.Length -1] = element;
            return tempArray;
        }
    }
}