using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("*****************");

        Console.WriteLine("     BY Zulpa     ");

        Console.WriteLine("*****************");

        int angka = 95;

        if (angka >= 86) {

            Console.WriteLine ("A");

        }

        if (angka >= 94) {

            Console.WriteLine ("AB");

        }

        if (angka >= 79) {

            Console.WriteLine ("B");

        }

    }

}