BMI

import java.util.Scanner;
    
public class bmi
{
    
    public static void main( String[] args ) 
    {
        
        Scanner keyboard = new Scanner(System.in);
        
        double m, kg, bmi;
        int ft, in, lbs;
        
        System.out.print( "So whats your height?(in feet, as we are american)" );
        ft = keyboard.nextInt();
        
        System.out.print( "So whats your height?( in inches, because why not)" );
        in = keyboard.nextInt();
        m = (ft+(in / 12))*0.3048;
        
        System.out.print( "And whats your weight in pounds?" );
        lbs = keyboard.nextInt();
        
        kg = lbs*0.453592;
        
        bmi = kg / (m*m);
        
        System.out.println( "Your BMI is..... " + bmi );
            
        if ( bmi < 15 ) 
        {
            System.out.println( "THIS IS NOT GOOD. AT ALL" );
        }
        
        if ( bmi >= 15 && bmi <= 16 ) 
        {
            System.out.println( "Ya, you should probebly work on that" );
        }
        
        if ( bmi > 16 && bmi < 18.5 )
        {
            System.out.println( "Could be worse, could be better" );
        }
        
        if ( bmi >= 18.5 && bmi < 25 ) 
        {
            System.out.println( "Nice :)" );
        }
        
        if ( bmi >= 25 && bmi < 30 ) 
        {
            System.out.println( "Could be worse, could be better" );
        }
        
        if ( bmi >= 30 && bmi < 35 ) 
        {
            System.out.println( "little bit of chub" );
        }
        
        if ( bmi >= 35 && bmi < 40 ) 
        {
            System.out.println( "Yaaaa...  you should really change up your diet" );
        }
        
        if ( bmi >= 40 ) 
        {
            System.out.println( "HOW DOES IT EVEN GET THIS BAD" );
        }
        
    }
}
    

Picture of the output