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

xs = []
for _ in range(N):
    A, B, C = map(int, input().split())
    xs.append((A, B, C))

dp = [[-1] * 301 for _ in range(301)]
dp[0][0] = 0
ans = 0
for a, b, c in xs:
    for i in reversed(range(X+1)):
        for j in reversed(range(Y+1)):
            if dp[i][j] == -1: continue

            ni = i + a
            nj = j + b
            if ni <= X and nj <= Y:
                dp[ni][nj] = max(dp[ni][nj], dp[i][j] + c)
                ans = max(ans, dp[ni][nj])

print(ans)