nan=input()
nan=nan.isalpha()
if nan==True:
    print("Alphabet")
else:
    print("No")

97d5f8507503dea0d7c194ba863259fabe107e69
<mask token>

<mask token>
if nan == True:
    print('Alphabet')
else:
    print('No')

nan = input()
nan = nan.isalpha()
if nan == True:
    print('Alphabet')
else:
    print('No')

nan=input()
nan=nan.isalpha()
if nan==True:
    print("Alphabet")
else:
    print("No")
