N, X, Y = map(int, input().split())
li = []
for i in range(N):
    a, b, c = map(int, input().split())
    li.append([a, b, c])

dp = [[[-1 for i in range(Y+1)] for i in range(X + 1)] for i in range(N + 1)]
dp[0][0][0] = 0
for i in range(N):
    a = li[i][0]
    b = li[i][1]
    c = li[i][2]
    for j in range(X + 1):
        for k in range(Y + 1):
            if dp[i][j][k] != -1:
                dp[i+1][j][k] = max(dp[i+1][j][k], dp[i][j][k])
                if j+a<= X and k+b <= Y:
                    dp[i+1][j+a][k+b] = max(dp[i+1][j+a][k+b], dp[i][j][k]+c)

ans = 0
for i in range(X + 1):
    for j in range(Y+1):
        ans = max(ans, dp[-1][i][j])

print(ans)