/**
 * Created by iyasuwatts on 10/17/17.
 */
import java.util.*;

public class Main {
    public static void main(String[] args ){
        Scanner in = new Scanner(System.in);
        System.out.print("Hey! What's your name?\n");
        String name = in.next();
        if (name.equalsIgnoreCase("Bob") || name.equalsIgnoreCase("Alice")) {
            System.out.print("Welcome, " + name + "! It is good to see you.\n");
        } else {
            System.out.print(name + "??? Who are you? Bring me Bob or Alice.\n");
        }
    }
}