+273 In 2010, the sum of the year's digits is . What is the first year after 2010 in which the sum of the digits is 3 again?
+539 2100
In every year of the 2000, there is an automatic 2, leaving only a one. There are 3 spots to put it in: 2100, 2010, and 2001. 2100 is the first one after 2010.
