Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Puri Baidyanath Dham Express
Table title:
Rake Sharing
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Train No. </th><th colspan=1 rowspan=1 > Train Name </th><th colspan=1 rowspan=1 > Departs </th><th colspan=1 rowspan=1 > Arrival </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 18449 </td><td class="highlighted"  colspan=1 rowspan=1 > Puri Baidyanath Dham Express </td><td colspan=1 rowspan=1 > PURI@14:25 MON </td><td colspan=1 rowspan=1 > PNBE@10:00 TUE </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 18450 </td><td class="highlighted"  colspan=1 rowspan=1 > Puri Baidyanath Dham Express </td><td colspan=1 rowspan=1 > PNBE@8:40 WED </td><td colspan=1 rowspan=1 > PURI@3:20 THU </td></tr>
<tr> <td colspan=1 rowspan=1 > 12896 </td><td colspan=1 rowspan=1 > Puri - Howrah Weekly SF Express </td><td colspan=1 rowspan=1 > PURI@22:10 THU </td><td colspan=1 rowspan=1 > HWH@7:05 FRI </td></tr>
<tr> <td colspan=1 rowspan=1 > 12895 </td><td colspan=1 rowspan=1 > Howrah - Puri Superfast Express </td><td colspan=1 rowspan=1 > HWH@20:55 FRI </td><td colspan=1 rowspan=1 > PURI@5:50 SAT </td></tr>
<tr> <td colspan=1 rowspan=1 > 22890 </td><td colspan=1 rowspan=1 > Samudra Kanya Express </td><td colspan=1 rowspan=1 > PURI@23:40 SAT </td><td colspan=1 rowspan=1 > DGHA@9:25 SUN </td></tr>
<tr> <td colspan=1 rowspan=1 > 22889 </td><td colspan=1 rowspan=1 > Samudra Kanya Express </td><td colspan=1 rowspan=1 > DGHA@17:15 SUN </td><td colspan=1 rowspan=1 > PURI@3:20 MON </td></tr>
</table>
Question:
What are the numbers of the Puri Baidyanath Dham Express?
Answer:
Puri Baidyanath Dham Express is being operated with 18449/18450 train numbers on weekly basis.