Selver is working as a C a reputed Multinational Congmercin

Question

Histosk is to check if the given Keyboard has a valid alphabets

But since many Keyboards are need to be veriled, he is finding is difficult to finish the luck

Can you automate the checking process and reduce his workload

Constant

Á chox

1 <=ch <- 300

Input Format

Only line oinput has the single input that leads to be checked. It can be a character oz or AX of a number

Output Format

is on Alphabet print ALPHABET els print NOT AN ALPHABET