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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. int t;
  6. cin >> t;
  7. while(t--)
  8. {
  9. int a,b;
  10. cin >> a >> b;
  11. if(a%2==0 && b%2==0)
  12. {
  13. cout << "YES" << endl;
  14. }
  15. else if(a%2==1 && b%2==1)
  16. {
  17. cout << "NO" << endl;
  18. }
  19. else if(a%2==0 && b%2==1)
  20. {
  21. cout << "YES" << endl;
  22. }
  23. else
  24. {
  25. cout << "NO" << endl;
  26. }
  27. }
  28. return 0;
  29. }
Success #stdin #stdout 0.01s 5288KB
stdin
5
0 1
0 3
2 0
2 3
3 1


stdout
YES
YES
YES
YES
NO