Sequence

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

namespace Intro_CSharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int x=2;
            int y = -3;
            Console.Write(x + " ");
            Console.Write(y + " ");
            int count = 0;
            for (int i = 1; i < 99; i++)
            {
                if (i%2==0)
                {
                    y-= 2;
                    Console.Write(y+" ");
                }
                else
                {
                    x += 2;
                    Console.Write(x+" ");
                }
                count++;
            }
            Console.WriteLine();
            Console.WriteLine("Total numbers: "+(count+2));
        }
    }
}