The ornamental design for a shoe, as shown and described.
FIG. 1 is a side view of a shoe showing my new design;
FIG. 2 is a front perspective view thereof; and,
FIG. 3 is an opposite front perspective view thereof.
The broken line immediately adjacent to and surrounding the photographic area defines the peripheral bounds of the claimed design and forms no part thereof. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.