import android.util.Base64;
import java.io.UnsupportedEncodingException;

public class HelloWorldApp {
    public static void main(String[] args) {
        //System.out.println("Hello World!"); // Display the string.
        byte[] decoded = Base64.decode("YWJjZGVmZw==", 0);
        try {
            System.out.println(new String(decoded, "UTF-8") + "\n");
        } catch (UnsupportedEncodingException localUnsupportedEncodingException) {}

    }
}