In high school, some people often put a paper drawer on the desk. Anyone passing by him will wipe his hands with a piece of paper or something. Finally, once, a classmate came back from the toilet to wipe his hands and found that there was no paper in the paper drawer. Then, a classmate jumped on the table, holding an empty paper box in his hand, crying and howling "Ah! My poor cigarette! How can you smoke to death ... "Cigarettes ... smoking to death ... haha laughter ... laughing to death.
The ancients said: everything is prepared, and if it is not prepared, it will be abolished. In order to make prog