using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Hello ");

        Console.Write("World! ");

        Console.Write("이름을 입력하세요: ");

        string name = Console.ReadLine();

        Console.Write("안녕하세요, ");

        Console.Write(name);

        Console.Write("님!");

        Console.WriteLine("Hello World");

    }

}