Girls, If you ask a girl for her number and she gives you her Snapchat instead, does that mean she doesn’t rate you?

A girl at my work place got sacked for lateness. I asked the supervisor to send me her number. He asked her and she didn’t respond for over a week (blue tick). She then replied “he can have my snap.”
Girls, If you ask a girl for her number and she gives you her Snapchat instead, does that mean she doesn’t rate you?
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