Find the fibbonaci series .

  static void Main(string[] args)
        {
            int prev=0, next=1, sum=0;
            Console.WriteLine("Enter No. of terms you want  in Series");
            int n = Convert.ToInt32(Console.ReadLine());
            Console.Write(prev+" ");
            Console.Write(next);
            for(int i=0;i<n-1;i++)
            {
                sum = prev + next;
                prev = next;
                next = sum;
                Console.Write("  "+next);
            }
           
            Console.ReadLine();
        }