The ornamental design for a shoe, as shown and described.
FIG. 1 is a front perspective view of a shoe showing our new design;
FIG. 2 is a second front perspective view thereof;
FIG. 3 is a front view thereof; and,
FIG. 4 is a top view thereof.
The broken lines immediately adjacent to the shaded area define the 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.