Space Boxing

import java.util.Scanner;
    
public class spac 
{
    
    public static void main( String[] args ) 
    {
        
        Scanner keyboard = new Scanner(System.in);
        
        int planet;
        double weight;
        
        System.out.print( "Please enter your current earth weight in lbs" );
        weight = keyboard.nextInt();
        
        System.out.println();
        System.out.println( "I have information for the following planets:" );
        System.out.println( "1. Venus  2. Mars   3. Jupiter" );
        System.out.println( "4. Saturn 5. Uranus 6. Neptune" );
        
        System.out.println();
        System.out.println( "Which planet are you visiting?" );
        planet = keyboard.nextInt();
        System.out.println();
        
        if ( planet == 1 ) {
            weight = weight*0.78;
            System.out.println( "Your weight would be " + weight + " lbs on that planet." );
        }
        else if ( planet == 2 ) {
            weight = weight*0.39;
            System.out.println( "Your weight would be " + weight + " lbs on that planet." );
        }
        else if ( planet == 3 ) {
            weight = weight*2.65;
            System.out.println( "Your weight would be " + weight + " lbs on that planet." );
        }
        else if ( planet == 4 ) {
            weight = weight*1.17;
            System.out.println( "Your weight would be " + weight + " lbs on that planet." );
        }
        else if ( planet == 5 ) {
            weight = weight*1.05;
            System.out.println( "Your weight would be " + weight + " lbs on that planet." );
        }
        else if ( planet == 6 ) {
            weight = weight*1.23;
            System.out.println( "Your weight would be " + weight + " lbs on that planet." );
        }
        else {
            System.out.println( "Whachu doin" );
        }
        
    }
}
    

Picture of the output