using System;

​

public class Program

{

    public static void Main()

    {

        // Sample data

        string firstName = "Jeevan";

        string middleName = "Kumar";  // You can modify this to test with or without a middle name

        string lastName = "KC";

​

        // Full name logic with optional middle name using concatenation

        string fullName = firstName +

                          (string.IsNullOrWhiteSpace(middleName) ? "" : " " + middleName) +

                          " " + lastName;

​

        // Output the full name

        Console.WriteLine("Full Name: " + fullName);

    }

}

​