import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double weight = scanner.nextDouble();
        double height = scanner.nextDouble();
        
        double bmi = weight / Math.pow(height, 2);
        if(bmi >= 18.5 && bmi <= 23.9) {
            System.out.println("Normal");
        } else {
            System.out.println("Abnormal");
        }
    }
}