while True:
print("Welcome! How many people, please?\nEnter 'quit' to end the program.")
num = input()
if num == 'quit':
break
else:
num = int(num)
if num <= 4:
print('Your small table is reserved!')
elif num <= 6:
print('Your middle table is reserved!')
elif num <= 10:
print('Your large table is reserved!')
else:
print('Sorry, there is no free table that seats over ten persons.')

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