import sys
input = sys.stdin.readline
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())
  dp2=[[-1]*(y+1) for _ in range(x+1)]
  for i in range(x+1):
    for j in range(y+1):
      if dp[i][j]==-1:
        continue
      if i+a<=x and j+b<=y:
        dp2[i+a][j+b]=max(dp2[i+a][j+b],dp[i][j]+c)
      dp2[i][j]=max(dp2[i][j],dp[i][j])
  dp=dp2
ans=0
for i in range(x+1):
  for j in range(y+1):
    ans=max(ans,dp[i][j])
print(ans)