import heapq

N, X, Y = map(int, input().split())

dp = [[-1] * (Y + 1) for _ in range(X + 1)]
dp[0][0] = 0

max_val = 0  

for _ in range(N):
    A, B, C = map(int, input().split())
    
    # XからAまでの範囲を逆順で探索する
    for i in range(X, A - 1, -1):
        # YからBまでの範囲を逆順で探索する
        for j in range(Y, B - 1, -1):
            if dp[i - A][j - B] != -1:
                dp[i][j] = max(dp[i][j], dp[i - A][j - B] + C)
                max_val = max(max_val, dp[i][j])

print(max_val)