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");
}
}
}