import java.util.Scanner;

class Chatbot {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

System.out.println("Hello! How can I assist you today?");

boolean running = true;

while (running) {

String userInput = scanner.nextLine().toLowerCase();

String response = getResponse(userInput);

System.out.println(response);

if (userInput.equals("bye")) {

running = false;

}

}

System.out.println("Goodbye! Have a great day!");

scanner.close();

}

public static String getResponse(String userInput) {

if (userInput.contains("hello") || userInput.contains("hi")) {

return "Hi there!";

} else if (userInput.contains("how are you")) {

return "I'm doing well, thank you!";

} else if (userInput.contains("weather")) {

return "I'm sorry, I don't have weather information.";

} else {

return "I'm sorry, I didn't understand that. Can you please rephrase?";

}

}

}