What does the famous detective Conan's resurrection death message say 172- 173?

In a murder case at the skating rink, the victim left a message of "KIX" on his mobile phone.

By the way, there is a fake death message "S" next to the body. Moreover, the killer's skates have the victim's blood on their toes, which she accidentally rubbed when she left a forged death message. The killer didn't find it himself. When she ran away, there was blood on her skates in the corridor. .....

When Conan saw her, she decided that she was a prisoner.