Are the following statutes constitutional? Explain, if not.

Statute One: Loitering

Any person who loiters in a place in an unusual manner for longer than 15 minutes and reasonably causes a person to be concerned for their safety must identify himself to police when requested. Any person who refuses to identify himself under these circumstances or takes flight when approached by a police officer is guilty of loitering.

Statute Two: Loitering

Any person who continually loiters in public parks without apparent employments of who lives of handouts of others is guilty of loitering.