using System;

public class Program

{

    public static void Main()

    {

           int npm;

            string angka;

            Console.WriteLine("Donny Zhang (1831132) 1SIMA");

            Console.WriteLine("Masukin NPM Tersebut :");

            angka = Console.ReadLine();

            npm = Convert.ToInt32(angka);

​

            switch (npm)

            {

                case 1831132:

                    Console.WriteLine("DonnyZhang");

                    break;

                case 1831104:

                    Console.WriteLine("Justin");

                    break;

                case 1831022:

                    Console.WriteLine("Ariq");

                    break;

                case 1831021:

                    Console.WriteLine("Daniel");

                    break;

                case 1831050:

                    Console.WriteLine("Patrick");

                    break;

                case 1831054:

                    Console.WriteLine("Dian");

                    break;

                case 1831075:

                    Console.WriteLine("Charlie");

                    break;

                case 1831087:

                    Console.WriteLine("Felicia");

                    break;

                case 1831010:

                    Console.WriteLine("Vendy");

                    break;

                case 1831092:

                    Console.WriteLine("Jon");

                    break;

                case 1831137:

                    Console.WriteLine("Berry");

                    break;

                case 1831164:

                    Console.WriteLine("William");

                    break;

                case 1831165:

                    Console.WriteLine("Efendi");

                    break;

                case 1831166:

                    Console.WriteLine("Millen");

                    break;

                case 1831172:

                    Console.WriteLine("M.Agung");

                    break;

                case 1831178:

                    Console.WriteLine("Anastasia");

                    break;

                case 1831192:

                    Console.WriteLine("M.Arief");

                    break;

                case 1831195:

                    Console.WriteLine("Arki");

                    break;

                case 1831196:

                    Console.WriteLine("Muhammad Akbar");

                    break;

                case 1831197:

                    Console.WriteLine("Handika");

                    break;

                case 1531026:

                    Console.WriteLine("Yohana");

                    break;

                case 1831009:

                    Console.WriteLine("Delvy");

                    break;

                case 1831012:

                    Console.WriteLine("Robin");

                    break;

                case 1831013:

                    Console.WriteLine("Donny Damiko");

                    break;

                case 1831015:

                    Console.WriteLine("Nonius");

                    break;

                case 1831016:

                    Console.WriteLine("Putri");

                    break;

                case 1831025:

                    Console.WriteLine("Defryn");

                    break;

                case 1831026:

                    Console.WriteLine("Nowita");

                    break;

                case 1831029:

                    Console.WriteLine("Yudhi");

                    break;

                case 1831039:

                    Console.WriteLine("Eko");

                    break;

                case 1831051:

                    Console.WriteLine("Hafsa");

                    break;

                case 1831058:

                    Console.WriteLine("Rizki");

                    break;

                case 1831063:

                    Console.WriteLine("Isacha");

                    break;

                case 1831064:

                    Console.WriteLine("Feliks");

                    break;

                case 1831065:

                    Console.WriteLine("Rangga");

                    break;

                case 1831067:

                    Console.WriteLine("Akhdan");

                    break;

                case 1831093:

                    Console.WriteLine("Indi");

                    break;

                case 1831097:

                    Console.WriteLine("River");

                    break;

                case 1831115:

                    Console.WriteLine("Richard");

                    break;   

                default:

                    Console.WriteLine("Unregistered");

                    break;

            }       

    }

}