#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> // using mint = modint998244353; template void debug(T e) { cerr << e << endl; } template void debug(vector &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(map &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } ll op1(ll a, ll b) { return max(a, b); } ll e1() { return 0LL; } ll mapping1(ll f, ll x) { return max(f, x); } ll composition1(ll f, ll g) { return max(f, g); } ll id1() { return 0LL; } struct S { ll val; ll size; }; S op2(S a, S b) { return S{a.val + b.val, a.size + b.size}; } S e2() { return S{0, 0}; } ll INF = 10000000000023; S mapping2(ll f, S x) { if (f != INF) { x.val = f * x.size; } return x; } ll composition2(ll f, ll g) { if (f == INF) { return g; } return f; } ll id2() { return INF; } int main() { ll n, w, h; cin >> n >> w >> h; vector a(n); vector b(n); vector x(n); for (ll i = 0; i < n; i++) { cin >> a[i] >> b[i] >> x[i]; a[i]--; } // 最大値を管理するセグ木 lazy_segtree seg1(w); lazy_segtree seg2(w); for (ll i = 0; i < w; i++) { seg2.set(i, S{0, 1}); } ll a_pt = 0; ll b_pt = 0; for (ll i = 0; i < n; i++) { ll max_val = seg1.prod(a[i], a[i] + x[i]); seg1.apply(a[i], a[i] + x[i], max_val + b[i]); if (max_val + b[i] >= h) { ll sums = seg2.prod(a[i], a[i] + x[i]).val; if (i % 2 == 0) { a_pt += (x[i] - sums); } else { b_pt += (x[i] - sums); } seg2.apply(a[i], a[i] + x[i], 1); } } if (a_pt == b_pt) { cout << "DRAW" << endl; } else if (a_pt > b_pt) { cout << "A" << endl; } else { cout << "B" << endl; } }