while loop: Password Retry

In this problem, you will create a program that repeatedly prompts for a password using a while loop until the correct value ("secret") is entered, and displays the authentication result to standard output.

Learning Objective: Implement processing that repeats until condition changes using while loop

Repeat password input until correct value entered. Implement authentication loop using while loop.

Input

Line 1 onwards: Password attempts (string, multiple lines possible)

Output

When incorrect:

Incorrect. Please try again.
```java
When correct:
```java
Authentication successful!
```java

Correct password: "secret".