import base64

# "Top Secret Encryption System v3.0"
# WARNING: Military grade encryption. Do not attempt to reverse!

def layer1_encrypt(data):
    """Caesar Cipher - shifts each character by 3"""
    result = ""
    for char in data:
        result += chr(ord(char) + 3)
    return result

def layer2_encrypt(data):
    """Base64 Encoding"""
    return base64.b64encode(data.encode()).decode()

def layer3_encrypt(data):
    """Final Secure Layer"""
    return data[::-1]

def mega_encrypt(data):
    step1 = layer1_encrypt(data)
    step2 = layer2_encrypt(step1)
    step3 = layer3_encrypt(step2)
    return step3

# Pre-computed ciphertext (DO NOT TOUCH)
ciphertext = "=AowxNDN6MHf1ZWc2I2dzEnY4QjY2gTd2knN15XSXZkbmR2S"

user_input = input("Enter the flag to verify: ")

if mega_encrypt(user_input) == ciphertext:
    print("ACCESS GRANTED! Flag is correct!")
else:
    print("ACCESS DENIED! Nice try, hacker.")