N, X, Y = map(int, input().split())
dp = [[0] * (Y + 1) for _ in range(X + 1)]
for _ in range(N):
    A, B, C = map(int, input().split())
    for i in range(X - A, -1, -1):
        for j in range(Y - B, -1, -1):
            dp[i + A][j + B] = max(dp[i + A][j + B], dp[i][j] + C)
print(max(max(row) for row in dp))