The ornamental design for a shoe, as shown and described.
FIG. 1 is a front perspective view of a shoe showing my design;
FIG. 2 is a side view thereof;
FIG. 3 is a rear perspective view thereof; and,
FIG. 4 is a top plan 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 immediately adjacent to the shaded areas form an unclaimed boundary around at least a portion of the claimed subject matter, and form no part of the claim.