#include using namespace std; typedef long long signed int LL; typedef long long unsigned int LU; #define incID(i, l, r) for(int i = (l) ; i < (r); i++) #define incII(i, l, r) for(int i = (l) ; i <= (r); i++) #define decID(i, l, r) for(int i = (r) - 1; i >= (l); i--) #define decII(i, l, r) for(int i = (r) ; i >= (l); i--) #define inc(i, n) incID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec(i, n) decID(i, 0, n) #define dec1(i, n) decII(i, 1, n) #define inII(v, l, r) ((l) <= (v) && (v) <= (r)) #define inID(v, l, r) ((l) <= (v) && (v) < (r)) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define UB upper_bound #define LB lower_bound #define PQ priority_queue #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define FOR(it, v) for(auto it = v.begin(); it != v.end(); ++it) #define RFOR(it, v) for(auto it = v.rbegin(); it != v.rend(); ++it) template bool setmin(T & a, T b) { if(b < a) { a = b; return true; } else { return false; } } template bool setmax(T & a, T b) { if(b > a) { a = b; return true; } else { return false; } } template bool setmineq(T & a, T b) { if(b <= a) { a = b; return true; } else { return false; } } template bool setmaxeq(T & a, T b) { if(b >= a) { a = b; return true; } else { return false; } } template T gcd(T a, T b) { return (b == 0 ? a : gcd(b, a % b)); } template T lcm(T a, T b) { return a / gcd(a, b) * b; } // ---- ---- LL n, w, h; LL l[100000], r[100000], v[100000]; LL f[100000]; LL t[320][100000]; int main() { cin >> n >> w >> h; inc(i, n) { LL a, b, x; cin >> a >> b >> x; // [l, r) in [0, w) l[i] = x - 1; r[i] = l[i] + a; v[i] = b; } int c = 0; inc(i, n) { if(i % 320 == 0) { inc(j, w) { t[c][j] = f[j]; } c++; } f[ l[i] ] += v[i]; f[ r[i] ] -= v[i]; } inc(i, c) { inc(j, n) { if(j != 0) { t[i][j] += t[i][j - 1]; } } } int ap = 0, bp = 0; inc(i, w) { // 二分探索あんまり効かないかも int L = 0, H = c; while(H - L > 1) { int M = (L + H) / 2; (t[M][i] < h ? L : H) = M; } LL sum = t[L][i]; inc(j, 320) { int p = 320 * L + j; if(l[p] <= i && i < r[p]) { sum += v[p]; } if(sum >= h) { (p % 2 == 0 ? ap : bp) += 1; break; } } } // cout << "A: " << ap << ", B: " << bp << endl; cout << (ap == bp ? "DRAW" : (ap > bp ? "A" : "B")) << endl; return 0; }