foo.cc: In function 'int main()':
foo.cc:9:7: error: 'He' was not declared in this scope
  cin>>He>>XiaoMing;
       ^~
foo.cc:9:7: note: suggested alternative: 'HE'
  cin>>He>>XiaoMing;
       ^~
       HE

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。