Array-Add New Element + Erase Element

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

namespace OnlineExercise15._4
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter the length of the array: ");
            int length = int.Parse(Console.ReadLine());
            int[] array = new int[length];
            for(int i = 0; i < array.Length; i++)
            {
                Console.Write("Element [{0}] = ", i+1);
                int l = int.Parse(Console.ReadLine());
                array[i] = l;
                Console.WriteLine();
            }

            Console.WriteLine("In which position would you like to put the new element: ");
            int positionOne = int.Parse(Console.ReadLine());
            Console.WriteLine("Enter the number you want to enter in that position: ");
            int elementValue = int.Parse(Console.ReadLine());
            int[] newArray = new int[length + 1];
            for(int m = 0; m < positionOne; m++)
            {
                newArray[m] = array[m];
            }
            newArray[positionOne] = elementValue;
            for(int u = positionOne + 1; u < newArray.Length; u++)
            {
                newArray[u] = array[u - 1];
            }
            //Printing the new array
            for(int s = 0; s < newArray.Length; s++)
            {
                Console.Write(newArray[s] + " ");
            }
            Console.WriteLine("Now enter the position which you want to erase: ");
            int positionTwo = int.Parse(Console.ReadLine());

            for (int f = 0; f < positionTwo; f++)
            {
                array[f] = newArray[f];
            }

            for(int g = positionTwo + 1; g < newArray.Length; g++)
            {
                array[g - 1] = newArray[g];
            }

            for(int h = 0; h < array.Length; h++)
            {
                Console.Write(array[h] + " ");
            }
            Console.ReadKey();
        }
    }
}