vegetarian = input('Do you eat meat? [Y/N] ')
vegan = input('Do you eat any other animal products [Y/N]? ')
if (vegetarian =='Y') or (vegan =='Y'):
        fly = input('Do you fly in a plane often [Y/N]? ')
        if not(fly == 'Y'):
            print ('You really care about your carbon footprint :-)')
print ('Have a great day')