The ornamental design for an automatictellermachine, as shown and described.
FIG. 1 is a top, front, and right side perspective view of an automatic teller machine showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is another right side view thereof with the bottom touch display panel in an upright forward position, in which the dotted lines show the bottom touch display panel in its original position.
The broken lines shown in the drawings represent portions of the automatic teller machine that form no part of the claimed design.