n=input()
#ASCII value of the input
x=ord(n)
if(65<=x<=90 or 97<=x<=122):
print('yes' , n , 'is an Alphabet')
else:
print('No' , n , 'is not an Alphabet')
n=input()
#ASCII value of the input
x=ord(n)
if(65<=x<=90 or 97<=x<=122):
print('yes' , n , 'is an Alphabet')
else:
print('No' , n , 'is not an Alphabet')