This is just one of many possible solutions:
whenclickedsetnew monthto0askType in a number between 1 and 12 for a month of the year:andwaitsetoriginal monthtoansweraskEnter the number of months to add to the month:andwaitsetmonths to addtoanswersetnew monthtooriginalmonth+monthstoaddmod12ifnewmonth=0thensayjoinjoinmonthstoaddjoin months after itemoriginalmonthofmonths is December. elsesayjoinjoinjoinjoinmonthstoaddjoin months after itemoriginalmonthofmonths is itemnewmonthofmonths.
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