def solve(N, X, Y, A, B, C):
  ans = [[[-1] * (Y + 1) for _ in range(X + 1)] for _ in range(N + 1)]
  ans[0][0][0] = 0
  for i in range(N):
    for s in range(X + 1):
      for t in range(Y + 1):
        if ans[i][s][t] == -1: continue
        ans[i+1][s][t] = max(ans[i][s][t], ans[i+1][s][t])
        if s + A[i] > X: continue
        if t + B[i] > Y: continue
        ans[i+1][s+A[i]][t+B[i]] = max(ans[i][s][t] + C[i], ans[i+1][s+A[i]][t+B[i]])
  for s in range(X + 1):
    for t in range(Y + 1):
      if ans[N-1][s][t] == -1: continue
      ans[N][s][t] = max(ans[N-1][s][t], ans[N][s][t])
  return max(max(max(v) for v in m) for m in ans)

N, X, Y = [int(x) for x in input().split()]
A = []
B = []
C = []
for _ in range(N):
  ai, bi, ci = [int(x) for x in input().split()]
  A.append(ai)
  B.append(bi)
  C.append(ci)

print(solve(N, X, Y, A, B, C))