N,X,Y=map(int, input().split())
dp=[[-10**10]*(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):
    for y in range(Y,-1,-1):
      if x+a<=X and y+b<=Y:
        dp[x+a][y+b]=max(dp[x+a][y+b],dp[x][y]+c)
  
ans=0
for i in dp:
  ans=max(ans,max(i))
print(ans)