using System;

public class Program

{

    public static void Main()

    {

        //pseudecode

        int grade='2';

        switch (grade){

        case'4':  Console.WriteLine("Excellent");

          break;

        case'3':  Console.WriteLine("Good");

          break;

        case'2':  Console.WriteLine("Average");

          break;

        case'1':  Console.WriteLine("poor");

          break;

        case'0':  Console.WriteLine("Failing");

          break;

        default: Console.WriteLine("illegal grade");

          break;

    }

    }

}