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):
            ni = i + a
            nj = j + b
            dp[ni][nj] = max(dp[ni][nj], dp[i][j] + c)
print(dp[x][y])