The ornamental design for a shoe, as shown and described.
FIG. 1 is a rear perspective view of a shoe showing my new design;
FIG. 2 is a side view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is an opposite side view thereof; and,
FIG. 5 is an opposite rear perspective view thereof.
The broken lines immediately adjacent to the shaded area define the internal bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.