using System;

public class Program

{

    public static void Main()

    {

        var grade = double.Parse(Console.ReadLine());

if (grade >= 5.50 && <=6);

{

   Console.WriteLine("Excellent!");

​

}       

else if (grade>=2 && grade<5.50);

{

   Console.WriteLine("Not excellent.");

}

​

    }

}