//
//  	score -> letter
//

import java.util.Scanner;

class P62
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);

		System.out.print("Your score? ");

		double score = input.nextDouble();

		if(89.5>=score && score>=79.5)
			System.out.println(score + " is B");
		else
			System.out.println("You got " + score + ", happy?");
	}
}