N, X, Y = map(int, input().split())
inf = 10 ** 18
pre = [[-inf] * (Y + 1) for i in range(X + 1)]
pre[0][0] = 0
for i in range(N):
    A, B, C = map(int, input().split())
    dp = [[-inf] * (Y + 1) for i in range(X + 1)]
    for x in range(X + 1):
        for y in range(Y + 1):
            dp[x][y] = max(dp[x][y], pre[x][y])
            if x >= A and y >= B:
                dp[x][y] = max(dp[x][y], pre[x - A][y - B] + C)
            
    dp, pre = pre, dp
    
ans = 0
for i in range(X + 1):
    for j in range(Y + 1):
        ans = max(ans, pre[i][j])
print(ans)