import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
       String str=in.nextLine();
       String strs[]=str.split(" ");
       double kg=Double.parseDouble(strs[0]);
       double height=Double.parseDouble(strs[1]);
       double bmi=kg/(height*height);
       if(bmi>=18.5&&bmi<=23.9){
        System.out.println("Normal");
       }else{
        System.out.println("Abnormal");
       }
    }
}