var x1, x2, y1, y2: integer;
begin
read(x1, y1, x2, y2);
if (abs(x1 - x2) = 1) and (abs(y1 - y2) = 2) or (abs(x1 - x2) = 2) and (abs(y1 - y2) = 1) then
writeln('Может')
else
writeln('Не может');
end.
