using System;

public class Program

{

    public static void Main()

    {

        string nama, npm;

        Console.WriteLine("Type Your NPM: ");

        npm = Console.ReadLine();

        switch (npm)

        {

            case "1831001":

                nama = "Yusuf";

                Console.WriteLine(nama);

                break;

            case "1831009":

                nama = "Delvy Larasshati Haryanto";

                Console.WriteLine(nama);

                break;

            case "1831010":

                nama = "Vendy";

                Console.WriteLine(nama);

                break;

            case "1831013":

                nama = "Donny Damiko";

                Console.WriteLine(nama);

                break;

            case "1831012":

                nama = "Robin";

                Console.WriteLine(nama);

                break;

            case "1831014":

                nama = "Justin";

                Console.WriteLine(nama);

                break;

            case "1831015":

                nama = "Nonius Alvares";

                Console.WriteLine(nama);

                break;

            case "1831016":

                nama = "Putri Sertianingsih";

                Console.WriteLine(nama);

                break;

            case "1831022":

                nama = "Ariq Bimantoro";

                Console.WriteLine(nama);

                break;

            case "1831023":

                nama = "Daniel Lim";

                Console.WriteLine(nama);

                break;

            default:

                nama = "Namamu Belum Diinput.";

                Console.WriteLine(nama);

                break;

    }

}