```import randomdef rot(s, num):	l = ""	for i in s:		if (ord(i) in range(97,97+26)):			l += chr((ord(i) - 97 + num) % 26 + 97)		else:			l += i	return l
def xor(a, b):	return chr(ord(a) ^ ord(b))
cipher = 'MRU2FDcePBQlPwAdVXo5ElN3MDwMNURVDCc9PgwPORJTdzATN2wAN28='c = cipher.decode('base64')char = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'chk = ''for x in char:        try:                n = x                for i in range(len(c) - 1):                        n += xor(c[i], n[i])                chk = n.decode('base64')                if '00' in chk and '2' in chk and '{' in chk and '}' in chk:                        break        except:                continuefor i in range(1, 26):        flag = rot(chk, i)        if 'b00t2root' in flag:                print flag                break``````b00t2root{Bond. James Bond.}```