```#! /usr/bin/python3
cipher="-);1+<.3/!$+>!8;8>!!8;*)%0'+ ,;!'5"flag_start="easyctf{"keytest=""for i in range(len(flag_start)):    keytest+=chr(ord(flag_start[i])^ord(cipher[i]))key=keytest[0] # lenght = 1print ("KEY = "+key)flag=""for i in range(len(cipher)):    flag+=chr(ord(cipher[i])^ord(key))print ("FLAG = "+flag)
```