#P127. 练21.4 体质指数BMI

练21.4 体质指数BMI

Description

Body Mass Index (BMI) is a standard measure of body fatness and health. It is calculated as follows:
BMI = weight (kg) ÷ (height (m))²
Given an adult's height and weight, determine their body composition based on BMI.

Body Composition BMI (Chinese Standard)
Underweight <18.5
Normal 18.5~23.9
Overweight 24~27.9
Obese 28~39.9
Severely Obese ≥40.0

Input Format

Two floating-point numbers (float), representing height and weight respectively.

Output Format

Output the body composition category.

Sample

1.71 62
Normal