BMI Calculator

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        double bmi;
        double weight;
        double height;
        double powHeight;

        System.out.println("Enter your weight (in pounds)");
        weight = scanner.nextDouble();
        System.out.println("Enter your height (in inches)");
        height = scanner.nextDouble();

        powHeight = Math.pow(height, 2.0);

        bmi = weight * 703 / powHeight;

        System.out.println(bmi);

        if (bmi > 25)
        {
            System.out.println("You're overweight");
        }
        else if (bmi >= 18.5)
        {
            System.out.println("You're optimal");
        }
        else
        {
            System.out.println("You're underweight");
        }
    }
}