At nine o'clock in the evening, Nancy stood at the gate of RC Hotel. She has been hesitating for a long time, but she still hasn't made a good decision whether to enter or not. Once again, she took out the text message from the strange number and looked at it word by word, trying to find any clues, but she failed. Her phone rang. It was from the hospital. "Hello?" "Miss Roberts, your mother will be transferred to the intensive care unit tomorrow. Please go to renew the fee tomorrow morning." "... OK. How much does it cost? " "Your mother's pneumonia is very serious, and severe malnutrition has led to signs of multiple organ failure, so she may need to stay in the intensive care unit for about two months, which is estimated to cost 100000 to 200000 dollars." "... OK." "And the cos