package P_12_09;

import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:  本题计算人体的BMI    BMI=体重÷身高的平方
 * User: 
 * Date: 2021-12-10
 * Time: 0:11
 */

public class BMI {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        while(sc.hasNextInt()){
            int weight = sc.nextInt();
            double height = sc.nextInt();
            double bmi = weight / Math.pow(height,2);
            // Math.pow 是某一数的平方的函数
            if (bmi < 18.5){
                System.out.println("Underweight");
            }else if (bmi >= 18.5 && bmi <= 23.9 ) {
                System.out.println("Normal");
            }else if (bmi > 23.9 && bmi <= 27.9) {
                System.out.println("Overweight");
            }else {
                System.out.println("Obese");

            }
        }
    }
}