// Page 068
// check the string

import java.util.Scanner;

class Prog_5_7m
{
	public static void main(String[] args)
	{

			Scanner input = new Scanner (System.in);

			String letter = input.next();
			switch ( letter )
			{	case "A": System.out.println("above 90"); break;
				case "B": System.out.println("80 - 90"); break;
				default: System.out.println("below 80");
			}
	}
}