#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
typedef long long ll;
const int N = 1e5 + 10;
ll n, w, h;
struct Node
{
    ll id, val;
};
vector<Node> vec[N];
struct Fenwick
{
    vector<ll> bit;
    inline Fenwick(ll n) : bit(n + 10) {}
    inline ll lowbit(ll x)
    {
        return x & (-x);
    }
    inline void add(ll x, ll k)
    {
        x++;
        for (ll i = x; i < bit.size(); i += lowbit(i))
            bit[i] += k;
    }
    inline ll query(ll x)
    {
        x++;
        ll ans = 0;
        for (ll i = x; i; i -= lowbit(i))
            ans += bit[i];
        return ans;
    }
} t(N);
int main(int argc, char const *argv[])
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr), cout.tie(nullptr);
    ll a = 0, b = 0;
    cin >> n >> w >> h;
    for (ll i = 1; i <= n; i++)
    {
        ll a, b, x;
        cin >> a >> b >> x;
        vec[x].push_back({i, b});
        vec[x + a].push_back({i, -b});
    }
    for (ll i = 1; i <= w; i++)
    {
        for (auto Info : vec[i])
            t.add(Info.id, Info.val);
        ll l = 1, r = n, ans = -1;
        while (r >= l)
        {
            ll mid = (l + r) >> 1;
            if (t.query(mid) >= h)
                ans = mid, r = mid - 1;
            else
                l = mid + 1;
        }
        if (ans != -1)
            (ans & 1 ? a++ : b++);
    }
    if (a > b)
        cout << 'A' << endl;
    else if (a < b)
        cout << 'B' << endl;
    else
        cout << "DRAW" << endl;
    return 0;
}