a=map(chr,range(65,91))
s=raw_input().upper()
print ''.join([dict(zip(a,a[::-1])).get(i,i) for i in s])==s[::-1]
YT1tYXAoY2hyLHJhbmdlKDY1LDkxKSkKcz1yYXdfaW5wdXQoKS51cHBlcigpCnByaW50ICcnLmpvaW4oW2RpY3QoemlwKGEsYVs6Oi0xXSkpLmdldChpLGkpIGZvciBpIGluIHNdKT09c1s6Oi0xXQ==