《旧唐书·本纪·卷十三》
九日，以尚书左丞杜佑为陕州长史、陕虢观察使。
乙酉，以尚书左丞杜祐为陕州长史、陕虢观察使。
On the ninth day, the Assistant Head of the Ministry of Rites, Du You, was made the magistrate of the city of Shan and Censorate Observer of Shan and Guo.
<s>[INST] Transpose the following Modern Chinese text into Classical Chinese: 九日，以尚书左丞杜佑为陕州长史、陕虢观察使。 [/INST] 乙酉，以尚书左丞杜祐为陕州长史、陕虢观察使。</s>
Transpose the following Modern Chinese text into Classical Chinese: 九日，以尚书左丞杜佑为陕州长史、陕虢观察使。
user
乙酉，以尚书左丞杜祐为陕州长史、陕虢观察使。
assistant