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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. Scanner sc = new Scanner(System.in);
  13. int t = sc.nextInt();
  14. for(int i=0;i<t;i++){
  15. int x = sc.nextInt();
  16. int y = sc.nextInt();
  17. int num = (x-(2*y));
  18. if(num%3==0 && num>=0){
  19. if(y>=0){
  20. System.out.println("YES");
  21. }
  22. else{
  23. if(num/3>=(-2*y)){
  24. System.out.println("YES");
  25. }
  26. else{
  27. System.out.println("NO");
  28. }
  29. }
  30. }
  31. else{
  32. System.out.println("NO");
  33. }
  34. }
  35. }
  36. }
Success #stdin #stdout 0.14s 56432KB
stdin
11
2 1
3 0
4 -1
4 1
14 1
1 -4
3 -1
2 10
24 -1
24 -3
8 4
stdout
YES
YES
YES
NO
YES
NO
NO
NO
NO
YES
YES