《资治通鉴·陈纪·陈纪七》
十一月，壬申，北周立皇子宇文充为道王，宇文兑为蔡王。
十一月，壬申，周立皇子衍为道王，兑为蔡王。
In November, Ren Shen, the Northern Zhou Dynasty established the Crown Prince Yuwen Chong as King Dao and Yuwen Dui as King Cai.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 十一月，壬申，北周立皇子宇文充为道王，宇文兑为蔡王。 [/INST] 十一月，壬申，周立皇子衍为道王，兑为蔡王。</s>
Convert the following modern Chinese text into Classical Chinese: 十一月，壬申，北周立皇子宇文充为道王，宇文兑为蔡王。
user
十一月，壬申，周立皇子衍为道王，兑为蔡王。
assistant