import java.util.*;
public class BMI
{
    public static void main(String args[])
    {
        Scanner pikachu = new Scanner(System.in);
        System.out.println("This program reads data for two people and \ncomputes their body mass index(BMI)");
        System.out.print("Input the height of your first person in inches");
        double height1 = pikachu.nextDouble();
        System.out.print("Input the weight of your first person in pounds");
        double weight1 = pikachu.nextDouble();
        System.out.println();
        System.out.print("Input the height of the second person in inches");
        double height2 = pikachu.nextDouble();
        System.out.print("Input the weight of the second person in pounds");
        double weight2 = pikachu.nextDouble();
        double BMI1 = Calculation1(height1, weight1);
        double BMI2 = Calculation2(height2, weight2);
        System.out.println("Person 1 BMI =" + BMI1);
        if(BMI1 >= 30){
            System.out.println("obese");
        } else if(25.0 <= BMI1 && BMI1 <= 29.9)
            {
            System.out.println("overweight");
        } else if(18.5 <= BMI1 && BMI1 <= 24.9){
            System.out.println("normal");
        } else{ // BMI1 < 18.5
            System.out.println("underweight");
        }
        System.out.println("Person 2 BMI =" + BMI2);
        if(BMI2 >= 30){
            System.out.println("obese");
        } else if(25.0 <= BMI2 && BMI2 <= 29.9)
            {
            System.out.println("overweight");
        } else if(18.5 <= BMI2 && BMI2 <= 24.9){
            System.out.println("normal");
        } else{ // BMI2 <18.5
            System.out.println("underweight");
        }
        double Difference = (BMI1-BMI2);
        System.out.println("Difference =" + Difference);
    }
    public static double Calculation1(double height1, double weight1)
    {
        double BMI1 = (weight1/(height1*height1)*703);
        return BMI1;
    }
    public static double Calculation2( double height2, double weight2)
    {
        double BMI2 = (weight2/(height2*height2)*703);
        return BMI2;
    }
}