import java.util.HashMap;
import java.util.Map;
import org.pureprogrammer.Utils;

public class Maps3 {

	static Map<String, Integer> convertKMtoMiles(final Map<String, Integer> x) {
		Map<String, Integer> y = new HashMap<>();
		for (String planet : x.keySet()) {
			y.put(planet, (int)(x.get(planet) * 0.621371 + 0.5));
		}
		return y;
	}

	public static void main(String[] args) {
		Map<String, Integer> planetDiametersInKM = Utils.map(new Object[][] {
			{"Mercury", 4879},
			{"Venus", 12103},
			{"Earth", 12756},
			{"Mars", 6794},
			{"Jupiter", 142985},
			{"Saturn", 120534},
			{"Uranus", 51115},
			{"Neptune", 49534},
			{"Pluto", 2374},
			{"Ceres", 946},
			{"Eris", 2326},
			{"Makemake", 1430}
		});

		Map<String, Integer> planetDiametersInMiles = convertKMtoMiles(planetDiametersInKM);
		for (String planet : planetDiametersInMiles.keySet()) {
			System.out.println(planet + " has a diameter of " + planetDiametersInMiles.get(planet) + " miles");
		}
	}
}