Odpowiedź :
# Python:
from itertools import permutations
palindrom = 'NIE'
for perm in permutations([input(),input(),input()]):
ciag = ''.join(perm)
if ciag == ciag[::-1]:
palindrom = ciag
break
print(palindrom)
# Python:
from itertools import permutations
palindrom = 'NIE'
for perm in permutations([input(),input(),input()]):
ciag = ''.join(perm)
if ciag == ciag[::-1]:
palindrom = ciag
break
print(palindrom)