A - Drazil and Date (515A - Drazil and Date)

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  2. 515A - Drazil and Date
  3. #include<iostream>
  4. using namespace std;
  5. #define yes "Yes";
  6. #define no "No";
  7. int main(){
  8. long a ,b,s;
  9. cin>>a>>b>>s;
  10. if(abs(a)+abs(b)== s) {cout<<yes;}
  11. else if(s> abs(a)+ abs(b)){
  12. long r;
  13. r= s-(abs(a)+abs(b)) ;
  14.  
  15. //cout<<r<<endl;
  16. if(r%2==0) {cout<<yes;}
  17. else cout<<"No";
  18. }
  19. else cout<<"No";

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