XML result erro

I’m trying to get the result of the Status field from the XML, but it’s not returning.

<?xml version="1.0" encoding="utf-8"?>
<feed
	xmlns="http://www.w3.org/2005/Atom"
	xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata"
	xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices">
	<entry>
		<content type="application/xml">
			<m:properties>
				<d:key>JobApplication/applicationId=3499</d:key>
				<d:status>OK</d:status>
				<d:editStatus>UPDATED</d:editStatus>
				<d:message>Application has been updated successfully</d:message>
				<d:index m:type="Edm.Int32">0</d:index>
				<d:httpCode m:type="Edm.Int32">204</d:httpCode>
				<d:inlineResults m:type="Bag(SFOData.UpsertResult)"></d:inlineResults>
			</m:properties>
		</content>
	</entry>
</feed>

ERROR: Message Box: Object reference not set to an instance of an object.

you need to handle the namespaces. Have a look here: