INF = float('inf')
N, X, Y = map(int, input().split())
dp = [[-INF] * (Y + 1) for _ in range(X + 1)]
dp[0][0] = 0

for i in range(N):
    a, b, c = map(int, input().split())
    for x in range(X, -1, -1):
        for y in range(Y, -1, -1):
            if x + a <= X and y + b <= Y:
                if dp[x + a][y + b] < dp[x][y] + c:
                    dp[x + a][y + b] = dp[x][y] + c

ans = -INF
for x in range(X + 1):
    for y in range(Y + 1):
        ans = max(ans, dp[x][y])

print(ans)