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 right side view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear perspective view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines of even length shown in the drawings illustrate portions of the shoe that form no part of the claimed design. The broken lines of uneven length illustrate the boundary of the claimed design and form no part thereof.