active = True
while(active):
print("Please enter a positive integer!\nEnter 'quit' to end the program.")
try:
resp = input()
if resp == 'quit':
active = False
else:
resp = int(resp)
if resp<1 or resp >100:
print('数字合法')
continue
if resp%8 == 0:
print(f'{resp} is a multiple of 8.')
else:
print(f'{resp} is not a multiple of 8.')
except TypeError:
continue