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"); } } }