### CONTEXT (Previous Events):
<system_output timestamp="449.181553">[K</system_output>
<user_input timestamp="449.363273"></user_input>
<system_output timestamp="449.379321">[K</system_output>
<user_input timestamp="449.549073"></user_input>
<system_output timestamp="449.553021">[K</system_output>
<user_input timestamp="449.817042">k</user_input>
<system_output timestamp="449.825634">k</system_output>
<user_input timestamp="450.04485">g</user_input>
<system_output timestamp="450.056325">g</system_output>
<user_input timestamp="450.189569"> </user_input>
<system_output timestamp="450.211037"> </system_output>
<user_input timestamp="450.730047">-</user_input>
<system_output timestamp="450.734733">-</system_output>
<user_input timestamp="451.022194">\</user_input>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="451.027019">\</system_output>

Answer: 451.027019, new event