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