Input (grade 13): As one of the central figures of the Three Kingdoms period, he laid the foundations for what was to become the state of Cao Wei and was posthumously titled Emperor Wu of Wei.
Output (grade 8): Cao Cao died in 220, and his son Cao Pi followed him in control of the emperor. He eventually deposed him the same year and became Emperor Wen of Wei, making his father posthumously Emperor Meng of Wei.