import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Username: ");
String username = scanner.nextLine();
System.out.print("Password: ");
String password = scanner.nextLine();
System.out.print("What is 2 + 2: ");
int result = scanner.nextInt();
if (username.equals("admin") && password.equals("secret") && result == 4) {
System.out.println("Welcome");
} else {
System.out.println("Invalid username or password!");
}
}
}