(*
  Authors: Wenda Li
*)

theory mathd_numbertheory_235 
  imports Complex_Main "HOL-Computational_Algebra.Computational_Algebra"
  "HOL-Number_Theory.Number_Theory"
begin

theorem mathd_numbertheory_235 :
  "(29 * 79 + 31 * 81) mod 10 = (2::nat)"
  by sorry

end