import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

class Ideone
{
	public static void main(String[] args) {
		try {
			System.out.println(URLEncoder.encode("xbox 360", "UTF-8"));
		} catch (UnsupportedEncodingException ex) {
			System.out.println(ex);
		}
	}
}