What is the ones digit of the result of $${{1}^{2013}}+{{2}^{2013}}+{{3}^{2013}}+{{4}^{2013}}+{{5}^{2013}}+{{6}^{2013}}+{{7}^{2013}}+{{8}^{2013}}+{{9}^{2013}}$$? 
Overseas Competition->Knowledge Point->Calculation Modules->Power->Computing Powers->Exponentiation of Powers