a = input('Y/n ')
if a != 'n' or a != 'N':
    print('Yay')
else:
    print('Nay')

"""
In every case its going 'Yay', because in any case one condition becomes true
it works, if i lower the input and
change condition to >>> if a != 'n':
Are there any other ways so i can achieve what i am looking for, or i have to use >>> if a.lower() != 'n':
"""