C# simple fibonacci series program

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

namespace ConsoleApplicationfibonacciseries
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = 0, b = 1, c, n;
            Console.WriteLine("Enter a number");
            n = int.Parse(Console.ReadLine());
            Console.WriteLine("Fibonic series is:");
            Console.WriteLine("" + a);
            Console.WriteLine("" + b);
            for (int i = 2; i <= n; i++)
            {
                c = a + b;
                a = b;
                b = c;
                Console.WriteLine(c);
                Console.ReadLine();

            }
        }
    }
}

Output: