using System;

​

class Program

{

    static void Main()

    {

        int terms = 7;

        Console.WriteLine($"Fibonacci Series (first {terms} terms):");

​

        for (int i = 0; i < terms; i++)

        {

            Console.Write(Fibonacci(i) + " ");

        }

    }

​

    static int Fibonacci(int n)

    {

        if (n == 0) return 0; // base case

        if (n == 1) return 1; // base case

        return Fibonacci(n - 1) + Fibonacci(n - 2); // recursive call

    }

}

​