#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)


#define INF 1LL<<60
typedef long long ll;
template<class V, int NV> class SegTreeAddMaxWithIndex {
public:
    vector<pair<V, int> > val;
    vector<pair<V, int> > ma;
    #define def -INF
    SegTreeAddMaxWithIndex() {
        int i;
        val.resize(NV * 2); ma.resize(NV * 2);
        rep(i, 0, NV) val[i + NV] = ma[i + NV] = make_pair(0, i);
        rep(i, 0, NV) val[i] = make_pair(0, 0);
        for (i = NV - 1; i >= 1; i--) ma[i] = max(ma[2 * i], ma[2 * i + 1]);
    };

    pair<V, int> getval(int x, int y, int l = 0, int r = NV, int k = 1) {
        if (r <= x || y <= l) return make_pair(def, 0);
        if (x <= l && r <= y) return ma[k];
        auto a = max(getval(x, y, l, (l + r) / 2, k * 2), getval(x, y, (l + r) / 2, r, k * 2 + 1));
        a.first += val[k].first;
        return a;
    }

    void update(int x, int y, V v, int l = 0, int r = NV, int k = 1) {
        if (l >= r) return;
        if (x <= l && r <= y) {
            val[k].first += v;
            ma[k].first += v;
        }
        else if (l < y && x < r) {
            update(x, y, v, l, (l + r) / 2, k * 2);
            update(x, y, v, (l + r) / 2, r, k * 2 + 1);
            ma[k] = max(ma[k * 2], ma[k * 2 + 1]);
            ma[k].first += val[k].first;
        }
    }
};
//-----------------------------------------------------------------------------------
int N, W; ll H;
SegTreeAddMaxWithIndex<ll, 1 << 20> st;
ll P[2];
int ok;
int main() {
    cin >> N >> W >> H;
    rep(i, 0, N) {
        ll a, b, x; cin >> a >> b >> x;
        st.update(x, a + x, b);
        while (1) {
            auto p = st.getval(x, x + a);
            if (p.first < H) break;
            P[i % 2]++;
            st.update(p.second, p.second + 1, -INF);
        }
    }

    if (P[0] == P[1]) cout << "DRAW" << endl;
    else if (P[0] < P[1]) cout << "B" << endl;
    else cout << "A" << endl;
}