1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  5. #define endl "\n"
  6. #define int long long
  7.  
  8. const int N = 2e6 + 5;
  9.  
  10. int sum[N];
  11.  
  12. int32_t main()
  13. {
  14. 	IOS;
  15. 	for(int i = 1; i < N; i++)
  16. 		for(int j = 1; i * j < N; j++)
  17. 			sum[i * j] += i;
  18. 	int l1, r1, l2, r2;
  19. 	cin >> l1 >> r1 >> l2 >> r2;
  20. 	vector<int> v;
  21. 	for(int i = l2; i <= r2; i++)
  22. 		v.push_back(sum[i]);
  23. 	sort(v.begin(), v.end());
  24. 	int winA = 0, winB = 0;
  25. 	for(int i = l1; i <= r1; i++)
  26. 	{
  27. 		auto it = lower_bound(v.begin(), v.end(), sum[i]);
  28. 		if(it != v.begin())
  29. 			winA += (it - v.begin());
  30. 		winB += (v.end() - upper_bound(v.begin(), v.end(), sum[i]));
  31. 	}
  32. 	if(winA > winB)
  33. 		cout << "A";
  34. 	else if(winA == winB)
  35. 		cout << "Draw";
  36. 	else
  37. 		cout << "B";
  38. 	return 0;
  39. }