拿999999999999999999杯咖啡，操作成功：你拿了999999999999999999瓶咖啡，总计获得-8446744073709551616分!

再拿999999999999999999杯咖啡，恭喜你获得flag：ctfshow{307cc4ad-f2fe-4237-876e-c635e6ce7eb3}

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