public static void main(String[] args) int result = add(2, 3); System.out.println("Result: " + result); // Output: Result: 5

// Debug: QWxhcm1Jbl8xNDE=

# Example usage data = b"Hello, World!" key = 0x10 encrypted = encrypt_141jav(data, key) decrypted = decrypt_141jav(encrypted, key) print(decrypted) # Should print: b"Hello, World!"