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 an opposite side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is an opposite front perspective view thereof;
FIG. 7 is a rear perspective view thereof; and,
FIG. 8 is an opposite rear perspective view thereof.
The broken lines within the shaded area represent a feature that forms no part of the claimed design. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.