Telephony

import java.io.BufferedReader;
import java.io.InputStreamReader;

 interface Browsable {

    void brows(String... url);
}

 interface Callable {

    void makeCall(String... url);

}


 class Smartphone implements Browsable, Callable {
    private String model;

    public Smartphone(String model) {
        this.setModel(model);
    }


    @Override
    public void brows(String[] url) {

        for (String string : url) {
            boolean isURL = string.matches("^(\\D+)$") ? true : false;

            if (!(isURL) || string.isEmpty() || !(string.contains("http"))) {
                System.out.println("Invalid URL!");
                continue;
            }

            System.out.printf("Browsing: %s!%n", string);
        }

    }

    @Override
    public void makeCall(String[] url) {
        for (String string : url) {
            boolean isNumeric = string.matches("^(\\d+)$") ? true : false;

            if (!isNumeric) {
                System.out.println("Invalid number!");
                continue;

            }

            System.out.printf("Calling... %s%n", string);
        }
    }


    private void setModel(String model) {
        this.model = model;
    }


}




public class Main {
    public static void main(String[] args) {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));){
            Smartphone phone = new Smartphone("LG");

            phone.makeCall(reader.readLine().trim().split("\\s+"));
            phone.brows(reader.readLine().split("\\s", Integer.MAX_VALUE));

        } catch (Exception e) {
        }
    }

}