n,x,y=map(int,input().split())
L=[list(map(int,input().split())) for _ in range(n)]
d=dict()
d[(0,0)]=0
S={(0,0)}
ans=0
for a,b,c in L:
  nx={(0,0)}
  for A,B in S:
    v=d[(A,B)]
    if A+a<=x and B+b<=y:
      ans=max(ans,v+c)
      nx.add((A+a,B+b))
      if (A+a,B+b) not in d:
        d[(A+a,B+b)]=v+c
      else:
        if d[(A+a,B+b)]<v+c:
          d[(A+a,B+b)]=v+c

  S|=nx
#  print(S)
print(ans)