Fibonacci.cs

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

namespace fibonacci
{
    class fibo
    {
        public int fibonacci(int value)
        {
            if (value == 0)
            {
                return 0;
            }
            else if (value == 1)
            {
                return 1;
            }
            else
            {
                return fibonacci(value - 1) + fibonacci(value - 2);
            }
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            fibo f = new fibo();
            Console.WriteLine("Enter element number?");
            int element = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine(f.fibonacci(element));
        }
    }

}