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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t,n;	cin >> t;
  6. 	while(t--){
  7. 		cin >> n;
  8. 		if(n < 3)	cout << "NO\n";
  9. 		else if(n % 3 == 0 || n % 7 == 0)	cout << "YES\n";
  10. 		else{
  11. 			bool yum = false;
  12. 			while(n>9){
  13. 				n-=7;
  14. 				if(n%3 == 0){
  15. 					yum = true;
  16. 					break;
  17. 				}	
  18. 			}
  19. 			yum ? cout << "YES\n" : cout << "NO\n";
  20. 		}
  21. 	}
  22. 	return 0;
  23. }
Success #stdin #stdout 0.01s 5280KB
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stdin
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2
6
5
stdout
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YES
NO
https://ideone.com/UJkT6x
language:
C++ 4.3.2 (gcc-4.3.2)
created:
3 days ago
visibility:
public

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