import java.util.Scanner;

public class PlanetWeight {

    public static void main(String[] args) {
        Scanner keyboard = new Scanner(System.in);
        int earthWeight, planet;
        double planetWeight = 0.0;
        System.out.print("Enter your weight on Earth");
        earthWeight = keyboard.nextInt();
        System.out.println();
        System.out.println("Here are the planets");
        System.out.println("   1. Voltar  2. Krypton 3. Fertos");
        System.out.println("   4. Servontos");
        System.out.println();
        System.out.print("Which planet are you visiting? ");
        planet = keyboard.nextInt();
        System.out.println();
        if (planet == 1) {
            planetWeight = earthWeight * 0.091;
        } else if (planet == 2) {
            planetWeight = earthWeight * 0.720;
        } else if (planet == 3) {
            planetWeight = earthWeight * 0.865;
        } else if (planet == 4) {
            planetWeight = earthWeight * 4.612;
        } else {
            System.out.println("Enter the planet you are visting.");
        }
        System.out.println("Your weight on this planet: " + planetWeight + " pounds");
    }
}