using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("What's your surname?");

        string surname = Console.ReadLine();

        if(surname.Length >= 3 && Char.IsUpper(surname,0))

        {

            Console.WriteLine("CORRECT");

        }

        else

        { Console.WriteLine("NOT CORRECT");

        }

    }

}