Palindrome Integers

using System;
using System.Threading;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Start typing your numbers//TYPE 'END' TO STOP THE PROGRAM//: ");
            PalindromeIntegers();


        }

        static void PalindromeIntegers()
        {
            string int1;
            while((int1 = Console.ReadLine()) != "END")
            {
                string alternativeString = "";
                int stringLength = int1.Length;
                for(int i = stringLength - 1; i >= 0; i--)
                {
                    alternativeString += int1[i];
                }
                if (int1.Equals(alternativeString))
                {
                    Console.WriteLine("true");
                }
                else
                {
                    Console.WriteLine("false");
                }
            }
        }

    }
}