n,x,y=map(int,input().split())
L=[list(map(int,input().split())) for _ in range(n)]

C=[[-1]*301 for _ in range(301)]
C[0][0]=0
ans=0
for a,b,c in L:
  for i in range(x+1)[::-1]:
    for j in range(y+1)[::-1]:
      if 0<=C[i][j] and i+a<=x and j+b<=y:
        if C[i+a][j+b]<C[i][j]+c:
          C[i+a][j+b]=C[i][j]+c
for line in C:
  ans=max(ans,max(line))
print(ans)