N,X,Y = map(int, input().split())
ABC = [list(map(int, input().split())) for _ in range(N)]
DP = [[0]*(X+1) for _ in range(Y+1)]
for a,b,c in ABC:
    for i in reversed(range(Y)):
        for j in reversed(range(X)):
            if DP[i][j]>0 and j+a<=X and i+b<=Y and DP[i+b][j+a]<DP[i][j]+c:
                DP[i+b][j+a]=DP[i][j]+c
    if a<=X and b<=Y and DP[b][a]<c:
        DP[b][a]=c
ans = 0
for dp in DP:
    ans=max(max(dp),ans)
print(ans)