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 top view thereof;
FIG. 4 is an opposite side view thereof; and,
FIG. 5 is an opposite side front perspective view thereof.
The uneven-length broken lines immediately adjacent to the bottom of the shaded areas define the bounds of the claimed design and form no part thereof. The even-length broken lines within the shaded areas represent stitching which forms no part of the claimed design. The uneven-length broken lines depicting the remainder of the shoe form no part of the claimed design.