using System;

public class Program

{

    public static void Main()

    {

        String Nmp;

        Nmp = Console.ReadLine();

        switch (Nmp)

        {

            case"1831092":

                Console.WriteLine("Jon susanto");break;

            case"1831093":

                Console.WriteLine("Indiarrasy");break;

            case"1831097":

                Console.WriteLine("River");break;

            case"1831115":

                Console.WriteLine("Richard Ardian Yaputra");break;

            case"1831132":

                Console.WriteLine("Donny Zhang");break;

            case"1831137":

                Console.WriteLine("Berry Oktariansya");break;

            case"1831164":

                Console.WriteLine("William Surya Jaya");break;

            case"1831165":

                Console.WriteLine("Efendi");break;

            case"1831166":

                Console.WriteLine("Milen Agus");break;

            case"1831172":

                Console.WriteLine("M. Agung Pratama");break;

​

        }

    }

}