N,X,Y = map(int,input().split())

dp = [[-1] * (Y + 1) for _ in range(X + 1)]
dp[0][0] = 0

for _ in range(N):
    a,b,c = map(int,input().split())

    for x in range(X + 1,-1,-1):
        if x + a > X:continue
        for y in range(Y + 1,-1,-1):
            if y + b > Y:continue
            if dp[x][y] != -1:
                dp[x + a][y + b] = max(dp[x + a][y + b],dp[x][y] + c)
ans = 0
for x in range(X + 1):
    for y in range(Y + 1):
        if dp[x][y] > ans:
            ans = dp[x][y]
print(ans)