The ornamental design for a shoe, as shown and described.
FIG. 1 is a first side view of a shoe showing my design;
FIG. 2 is a second side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is rear view thereof; and,
FIG. 5 is a perspective view thereof.
The even-length broken lines are directed to environment, represent unclaimed subject matter, and form no part of the claimed design. The long and short broken lines form an unclaimed boundary around at least a portion of the claimed subject matter and form no part of the claim.