------Input------
90
------Answer-----
can
------Your output-----
can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can