using System;

public class Program

{

    public static void Main()

    {

          int prv=0,pre=1,trm,n;   

   Console.Write("Input number of terms to be display: ");

   n = Convert.ToInt32(Console.ReadLine());   

   Console.Write("Display the first n terms of fibonacci series: ",n);

   Console.Write("{0}  {1}", prv,pre);

  for(int i=3;i<=n;i++)

   {

     trm=prv+pre;

     Console.Write("  {0}  ",trm);

     prv=pre;

     pre=trm;

   }

            }

    }

​