SumOfNMembersOfFibonacci

using System;
using System.Numerics;

namespace FibonacciSequence
{
    /*07.Write a program that reads a number N and calculates the sum of the first N members of the sequence of Fibonacci: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, …
Each member of the Fibonacci sequence (except the first two) is a sum of the previous two members.
*/
    class FibonacciSequence
    {
        static void Main()
        {
            Console.Write("Members of sequence N = ");
	        int n = int.Parse(Console.ReadLine());
            BigInteger firstMember = 0;
            BigInteger secondMember = 1;
	        BigInteger sum = 1;
	        Console.WriteLine("{0}\n{1}", firstMember, secondMember);    //Print first Two members
	        for (int i = 1; i < n/2; i++)
	        {
	            firstMember = firstMember + secondMember;
	            secondMember = secondMember + firstMember;
	            Console.WriteLine("{0}\n{1}", firstMember, secondMember); //Print the Next N-2 members
	            sum =  sum + firstMember + secondMember;

	        }
	        if (n % 2 != 0)
	        {
	            firstMember = firstMember + secondMember;
	            sum = sum + firstMember;
	            Console.WriteLine(firstMember);   //If N is odd number print the last member
	        }
	        Console.WriteLine("Sum of the {0} members of Fibunacci is {1}", n, sum);
        }
    }
}