using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Donny Zhang - 1831132");

        int a;

        string nama;

        a = 0;

        nama = Console.ReadLine();

        while(nama != "Andi")

        {

            Console.WriteLine(a);

            nama = Console.ReadLine();

            a+=1;

    }

}