import java.text.DecimalFormat;

import java.util.Scanner;

public class WeightConverter {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

DecimalFormat fmt = new DecimalFormat("0.000");

double earth;

int choice;

System.out.print("Enter Weight: ");

earth = input.nextDouble();

System.out.print("Choose Planet(1-mercury,2-venus,3-jupiter,4-saturn): ");

choice = input.nextInt();

while(choice!=0){

switch(choice){

case 1: System.out.println("Mercury = "+fmt.format(Mercuryweight(earth))); break;

case 2: System.out.println("Venus = "+fmt.format(Venusweight(earth))); break;

case 3: System.out.println("Jupiter = "+fmt.format(Jupiterweight(earth))); break;

case 4: System.out.println("Saturn = "+fmt.format(Saturnweight(earth))); break;

default: System.out.println("Choose again!");

}

System.out.print("Choose Planet(1-mercury,2-venus,3-jupiter,4-saturn): ");

choice = input.nextInt();

}

System.out.println("GOOD BYE!");

}

public static double Mercuryweight(double earth){

double mercury = earth*0.4;

return mercury;

}

public static double Venusweight(double earth){

double Venus = earth*0.9;

return Venus;

}

public static double Jupiterweight(double earth){

double Jupiter = earth*2.5;

return Jupiter;

}

public static double Saturnweight(double earth){

double Saturn = earth*1.1;

return Saturn;

}

}