magic = 0xCC
flag = "IGCTF{hello_flag!}"

def xor_string_with_byte(input_str, xor_byte):
    # Convert the input string to bytes
    input_bytes = input_str.encode()

    # XOR each byte in the string with the given byte
    xor_result = bytes([b ^ xor_byte for b in input_bytes])

    # Convert the XOR result to a hex string
    hex_result = xor_result.hex()

    return hex_result

def reverse_xor(hex_str, xor_byte):
    # Convert the hex string back to bytes
    xor_bytes = bytes.fromhex(hex_str)

    # XOR each byte in the result with the same XOR byte
    original_bytes = bytes([b ^ xor_byte for b in xor_bytes])

    # Convert the result back to the original string
    original_str = original_bytes.decode()

    return original_str


result = xor_string_with_byte(flag, magic)
print(result)

original = reverse_xor(result, magic)
print(original)