using System;

public class Program

{

    public static void Main()

    {

        int G;

        Console.WriteLine("Tell me how much money do you have (100-1,000) and i tell you if you can buy the new iPhone");

​

        G = int.Parse(Console.ReadLine());

​

            switch (G)

            {

                case 0:

                case 100:

                case 200:

                case 300:

                case 400:

                case 500:

                case 600:

                case 700:

                case 800:

                    Console.WriteLine("OH NO YOU CAN'T");

                    break;

​

                case 900:

                case 1000:

                    Console.WriteLine("GREAT, YOU CAN BUY IT");

                    break;

​

             default:

                    Console.WriteLine();

                    Console.WriteLine("HEY, I'LL TELL YOU ONLY 100-1,000");

                    break;

            }

    }

}