using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Siapa Nama Anda");

        String nama = Console.ReadLine();

        while (nama != "Andi")

        {

            Console.WriteLine("Anda Dilarang Masuk");

            nama = Console.ReadLine();

        }

​

        Console.WriteLine("Silakan Masuk");

    }

}