import sys
from collections import deque

def main():
    input = sys.stdin.read().split()
    ptr = 0
    n = int(input[ptr]); ptr += 1
    w = int(input[ptr]); ptr += 1
    h = int(input[ptr]); ptr += 1
    
    intervals = deque()
    intervals.append((1, w, 0))
    
    a_score = 0
    b_score = 0
    
    for step in range(n):
        a = int(input[ptr]); ptr += 1
        b = int(input[ptr]); ptr += 1
        x = int(input[ptr]); ptr += 1
        L = x
        R = x + a - 1
        player = 'A' if (step % 2 == 0) else 'B'
        
        new_intervals = deque()
        gain = 0
        
        while intervals:
            s, e, val = intervals.popleft()
            if e < L or s > R:
                new_intervals.append((s, e, val))
                continue
            if s < L:
                new_intervals.append((s, L - 1, val))
            inter_s = max(s, L)
            inter_e = min(e, R)
            new_val = val + b
            if new_val >= h:
                gain += (inter_e - inter_s + 1)
            else:
                new_intervals.append((inter_s, inter_e, new_val))
            if e > R:
                new_intervals.append((R + 1, e, val))
        intervals = new_intervals
        
        if player == 'A':
            a_score += gain
        else:
            b_score += gain
    
    if a_score > b_score:
        print("A")
    elif a_score < b_score:
        print("B")
    else:
        print("DRAW")

if __name__ == '__main__':
    main()