```
import base64
base64_string = "FgwWARMuF2UhPQotZScKFTsxCjcVJmYKY2FqCiE9FSEmCjJlMTksKA=="
newPass = base64.b64decode(base64_string).decode("ascii")
flag = ''
for i in range(40):
flag += chr(ord(newPass[i]) ^ 0x55)
print(flag)
```
```
CYCTF{B0th_x0r_@nd_b@s3_64?_th@ts_g0dly}
```