### CONTEXT (Previous Events):
<user_input timestamp="549.22393">S</user_input>
<system_output timestamp="549.241095">[?25l[33mS [39;49m[?12l[?25h[?12;25h</system_output>
<user_input timestamp="549.498101"> </user_input>
<system_output timestamp="549.52295">[C[?25l[33m [39;49m[?12l[?25h[?12;25h</system_output>
<user_input timestamp="549.755657">d</user_input>
<system_output timestamp="549.76807">[?25l[33md [39;49m[?12l[?25h[?12;25h</system_output>
<user_input timestamp="549.854334">o</user_input>
<system_output timestamp="549.869284">[?25l[33mo [39;49m[?12l[?25h[?12;25h</system_output>
<user_input timestamp="550.053833">e</user_input>
<system_output timestamp="550.074006">[?25l[33me [39;49m[?12l[?25h[?12;25h</system_output>
<user_input timestamp="550.444863">s</user_input>
<system_output timestamp="550.458951">[?25l[33ms [39;49m[?12l[?25h[?12;25h</system_output>
<user_input timestamp="550.50406"> </user_input>
<system_output timestamp="550.518639">	[?25l[33m [39;49m[?12l[?25h[?12;25h</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<user_input timestamp="550.822715">n</user_input>

Answer: 550.822715, old event