#include "bits/stdc++.h"

#ifdef WINT_MIN
#define __MAI
#endif

using namespace std;
typedef unsigned int uint;
typedef long long int ll;
typedef unsigned long long int ull;

#define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;
#define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;
#define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;}
#define debugaar(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}
#define ALL(v) (v).begin(),(v).end()
#define repeat(l) for(auto cnt=0;cnt<(l);++cnt)
#define upto(l,r) for(auto cnt=l;cnt<=r;++cnt)
#define downto(r,l) for(auti cnt=r;cnt>=l;--cnt)
#define BIGINT 0x7FFFFFFF
#define MD 1000000007ll
#define PI 3.1415926535897932384626433832795
void printbit(int u) { if (u == 0)cout << 0; else { int s = 0, k = 0; for (; 0<u; u >>= 1, k++)s = (s << 1) | (u & 1); for (; 0<k--; s >>= 1)cout << (s & 1); } }template<typename T1, typename T2>
    ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }

#define TIME chrono::system_clock::now()
#define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count())

namespace {
    std::chrono::system_clock::time_point t;
    void tic() { t = TIME; }
    void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - t)); }
    std::chrono::system_clock::time_point tle = TIME;
#ifdef __MAI
    void safe_tle(int msec) { assert(MILLISEC(TIME - tle) < msec); }
#else
#define safe_tle(k) ;
#endif
}

#ifndef __MAI 
namespace {
    class MaiScanner {
    public:
        template<typename T>
        void input_integer(T& var) {
            var = 0;
            T sign = 1;
            int cc = getchar_unlocked();
            for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
                if (cc == '-') sign = -1;
            for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked())
                var = (var << 3) + (var << 1) + cc - '0';
            var = var*sign;
        }
        void ign() { getchar_unlocked(); }
        MaiScanner& operator>>(int& var) {
            input_integer<int>(var);
            return *this;
        }
        MaiScanner& operator>>(long long& var) {
            input_integer<long long>(var);
            return *this;
        }
    };
}
MaiScanner scanner;
#else
#define scanner cin
#endif

template<typename T>
//typedef int T;
class segtree {
    int size;

public:
    struct VI {
        T val;
        int idx;
        VI(T val = 0,int idx = 0):val(val),idx(idx){}

        static const VI& max (const VI& a, const VI& b) {
            return a.val == b.val ? (a.idx < b.idx ? a : b) : (a.val >= b.val ? a : b);
        }
        static const VI& min(const VI& a, const VI& b) {
            return a.val == b.val ? (a.idx < b.idx ? a : b) : (a.val <= b.val ? a : b);
        }

        bool operator==(const VI& e) const {
            return val == e.val && idx == e.idx;
        }
        bool operator<(const VI& e) const {
            return (val < e.val) || (idx > e.idx);
        }
    };

private:
    vector<int> mark;
    vector<T> single; // max(min)遅延伝搬用
    vector<pair<T, T>> addtree;   // sum,lazy
    vector<VI> maxtree; // val,idx
public:


    segtree(int n) {
        size = 8;
        while (size < n) size <<= 1;

        addtree.resize(size * 2);
        mark.resize(size * 2);
        single.resize(size * 2);
        maxtree.resize(size * 2);
        _flat();
    }

    void _flat() {
        for (int i = 0; i < size; ++i) {
            maxtree[i + size - 1] = VI(0, i);
        }
        for (int i = size - 2; 0 <= i; --i) {
            int c = 2 * i + 1;
            maxtree[i] = maxtree[c];
        }
    }

    // 区間[begin,end)に一様にvalを加算する
    void addvalrange(int begin, int end, T val, int ptr = 0, int rangebegin = 0, int rangeend = 0) {
        if (rangeend <= rangebegin) { rangeend = size; }

        if (rangeend <= begin || end <= rangebegin) return; // note:範囲外
        if (begin <= rangebegin && rangeend <= end) {
            addtree[ptr].first += val * (rangeend - rangebegin);
            addtree[ptr].second += val * (rangeend - rangebegin) / 2;
            mark[ptr] |= 3;
            maxtree[ptr].val += val;
            single[ptr] += val;

            if (rangeend - rangebegin > 1) { // せっかくだから
                _applyDown(ptr);
            }
            return;
        }
        _applyDown(ptr); // TODO:いる？

        int rangemid = (rangebegin + rangeend) / 2;
        addvalrange(begin, end, val, ptr * 2 + 1, rangebegin, rangemid);
        addvalrange(begin, end, val, ptr * 2 + 2, rangemid, rangeend);
        addtree[ptr].first += val * (min(rangeend, end) - max(rangebegin, begin));
        maxtree[ptr] = max(maxtree[ptr * 2 + 1], maxtree[ptr * 2 + 2]); // インデックスもmaxを選択する点に注意
    }

    inline void _applyDown(int ptr) {
        //if (size - 1 <= ptr) return;
        if (mark[ptr] & 1) {
            mark[ptr] ^= 1;
            int c1 = ptr * 2 + 1;
            int c2 = ptr * 2 + 2;
            addtree[c1].first += addtree[ptr].second;
            addtree[c1].second += addtree[ptr].second / 2;
            mark[c1] |= 1;
            addtree[c2].first += addtree[ptr].second;
            addtree[c2].second += addtree[ptr].second / 2;
            mark[c2] |= 1;
            addtree[ptr].second = 0;
        }
        if (mark[ptr] & 2) {
            mark[ptr] ^= 2;
            int c1 = ptr * 2 + 1;
            int c2 = ptr * 2 + 2;
            maxtree[c1].val += single[ptr];
            single[c1] += single[ptr];
            mark[c1] |= 2;
            maxtree[c2].val += single[ptr];
            single[c2] += single[ptr];
            mark[c2] |= 2;
            single[ptr] = 0;

        }
    }

    inline void _downward_applyDown(int ptr1) {
        if (1 < ptr1) _downward_applyDown(ptr1 >> 1);
        _applyDown(ptr1 - 1);
    }

    T getval(int index) {
        T sum = 0;
        _downward_applyDown((index + size) >> 1);
        return addtree[index + size - 1].first;
    }

    T getsumrange(int begin, int end, int ptr = 0, int rangebegin = 0, int rangeend = 0) {
        if (rangeend <= rangebegin) { rangeend = size; }

        if (rangeend <= begin || end <= rangebegin) return 0; // note:範囲外
        if (begin <= rangebegin && rangeend <= end) return addtree[ptr].first;

        _applyDown(ptr);

        int rangemid = (rangebegin + rangeend) / 2;
        return getsumrange(begin, end, ptr * 2 + 1, rangebegin, rangemid)
            + getsumrange(begin, end, ptr * 2 + 2, rangemid, rangeend);
    }

    VI getmaxrange(int begin, int end, int ptr = 0, int rangebegin = 0, int rangeend = 0) {
        if (rangeend <= rangebegin) { rangeend = size; }

        if (rangeend <= begin || end <= rangebegin) return VI(0, -1); // note:範囲外
        if (begin <= rangebegin && rangeend <= end) return maxtree[ptr];

        _applyDown(ptr);

        int rangemid = (rangebegin + rangeend) / 2;
        VI l = getmaxrange(begin, end, ptr * 2 + 1, rangebegin, rangemid);
        VI r = getmaxrange(begin, end, ptr * 2 + 2, rangemid, rangeend);

        if (l.idx == -1) return r;
        if (r.idx == -1) return l;
        return VI::max(l, r); // インデックスもmaxを選択する点に注意
    }
};


ll width, height;
int m, n;

int main() {
    int i, j, k;
    ll x, y, a, b;

    const ll smaaaaaaall = -1e99;

    scanner >> n >> width >> height;

    segtree<ll> field(width);

    ll score_a, score_b;
    score_a = score_b = 0;
    repeat(n) {
        scanner >> a >> b >> x;
        --x;

        field.addvalrange(x, x + a, b);
        while (true) {
            auto p = field.getmaxrange(x, x + a);
            if (p.val >= height) {
                if (cnt % 2 == 0) {
                    score_a += 1;
                }
                else {
                    score_b += 1;
                }
                field.addvalrange(p.idx, p.idx+1, smaaaaaaall);
            }
            else {
                break;
            }
        }
    }
    
    repeat(10) {
        cerr << field.getsumrange(cnt, cnt + 1) << " ";
    }
        cerr << endl;
    cerr << score_a << " " << score_b << endl;

    if (score_a == score_b) {
        cout << "DRAW" << endl;
    }
    else if (score_a < score_b) {
        cout << "B" << endl;
    }
    else {
        cout << "A" << endl;
    }


    return 0;
}