using System;

public class Program

{

    public static void Main()

    {

        string first_name = "Shahrukh";

        string last_name = "Khan";

        string full_name = first_name + " " + last_name; //String Concatenation

        string interpolated_full_name = $"{first_name} {last_name}";

        Console.WriteLine(full_name);

        Console.WriteLine(interpolated_full_name);

    }

}