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A novel tells a joke about picking mushrooms. What's the name of this novel?

After working overtime in the morning. A Dai: "Boss, I have been working overtime since I got off work yesterday." Boss: "Thanks for your hard work." A Dai: "Boss, that ... this overtime ..." Boss: "I'll check first." In a few minutes. Boss: "A Dai! ! You didn't punch in yesterday, and you didn't punch in today, which will deduct your salary for two days. " A Dai: "