Body Mass Index

Time limit1sMemory limit128 MB

Summary

Read a weight and a height, compute weight divided by height squared, and print the BMI category.

Level: Easy2 of 10
Topics: Math, Implementation
Solved: No attempts yet

Problem

The Body Mass Index (BMI) is one of the measurements a doctor uses to assess an adult's health. The doctor measures the patient's weight (in kilograms) and height (in metres), then computes the BMI with the formula

$\text{BMI} = \frac{\text{weight}}{\text{height} \times \text{height}}$

Given the patient's weight and height, calculate the BMI and print the message that matches the table below.

BMI value	Message
Greater than 25	Overweight
Between 18.5 and 25.0 (inclusive)	Normal weight
Less than 18.5	Underweight

Input

The first line contains the weight in kilograms. The second line contains the height in metres. Both values are positive real numbers.

Output

Print exactly one line: the message that corresponds to the computed BMI — Overweight, Normal weight, or Underweight.

Examples2

Example 1
Input
```
69
1.73
```
Expected output
```
Normal weight
```
Example 2
Input
```
84.5
1.8
```
Expected output
```
Overweight
```