program for whether the given string is a palindrome or not

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

namespace palindrome
{
    class Program
    {
        static void Main(string[] args)
        {
            int  i;
            string str = Console.ReadLine();
            char[] arr = str.ToCharArray(); // converting string to array
           char[] arr1 = new char[arr.Length];
            // now reverse an array using for loop
            for (i = 0; i < arr.Length; i++)
            {
                arr1[arr.Length - 1 - i] = arr[i];
            }
            // converting an array to string
            string result = new string(arr1);
          
         
            if (result == str)
            {
                Console.WriteLine("Given String is a palindrome");
            }
            else
            {
                Console.WriteLine("Given String is not a palindrome");
            }
            Console.ReadLine();
        }
    }
}