In the AD calendar, there is a leap year every four years, each normal year has 365 days, and each leap year has 366 days. 2012 is a leap year, and New Year’s Day is Sunday. Then, how many years will the next New Year’s Day also be Sunday?
公元纪年法中，每四年含一个闰年，每个平年有365天，每个闰年有366天，2012年是闰年，元旦是星期日，那么，下一个元旦也是星期日的年份是多少年．
<gadget id="calculator">2_012 + 5</gadget>
<output>2_017</output>

<result>2_017</result>