Palindrom

s = input()
s = s.split()
s = ''.join(s)

print(s)

i = 0
f = 1
while i < len(s)//2:
    if s[i] != s[-1-i]:
        print('Не палиндром')
        f = 0
        break
    i += 1
if f == 1:
    print('Палиндром')