INF = 1 << 30
N, X, Y = map(int, input().split())

dp = [[-INF] * (Y + 1) for _ in range(X + 1)]
dp[0][0] = 0
for _ in range(N):
    a, b, c = map(int, input().split())
    for x in range(X + 1)[::-1]:
        for y in range(Y + 1)[::-1]:
            xx = x + a
            yy = y + b
            if xx <= X and yy <= Y:
                dp[xx][yy] = max(dp[xx][yy], dp[x][y] + c)

ans = 0
for x in range(X + 1):
    for y in range(Y + 1):
        ans = max(ans, dp[x][y])

print(ans)