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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	string s;		
  7. 	cin>>s;			
  8. 	int a=0;		
  9. 	for(int i=0;i<s.size();i++){
  10. 		a+=s[i]-'0';
  11. 	}
  12. 	if(a%3==0)cout<<"YES";
  13. 	else cout<<"NO";
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
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12345678901
stdout
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NO
https://ideone.com/LVYMFd
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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