《隋书·列传·卷二十一》
开皇十八年，发起辽东战争，授宇文弼为元帅汉王府司马，仍兼任行军总管。
十八年，辽东之役，授元帅汉王府司马，仍寻领行军总管。
In the 18th year of the Kaihuang era, the Liaodong War began, and Uen Pi was appointed as the Marshal, the Prince Han's aide, and the acting governor of the military.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 开皇十八年，发起辽东战争，授宇文弼为元帅汉王府司马，仍兼任行军总管。 [/INST] 十八年，辽东之役，授元帅汉王府司马，仍寻领行军总管。</s>
Convert the following modern Chinese text into Classical Chinese: 开皇十八年，发起辽东战争，授宇文弼为元帅汉王府司马，仍兼任行军总管。
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十八年，辽东之役，授元帅汉王府司马，仍寻领行军总管。
assistant