Find Sum of Values and Get Confirmation Each Time Before Get Value using C#

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string ch;
            int i = 1, intValue = 0, sum = 0;
            do {
                Console.Write(i + " ---> ");
                intValue = int.Parse(Console.ReadLine());
                sum += intValue;
                Console.Write("Do You Want Continue(Y/N):");
                i++;
                ch = Console.ReadLine();
            } while (ch.ToUpper() != "N");
            Console.WriteLine("Sum:" + sum);
            Console.Read();
        }
    }
}