R=range
def J():
	return map(int,input().split())
N,X,Y=J()
d=[[0]*(Y+1) for x in R(X+1)]
for n in R(N):
	A,B,C=J()
	for x in R(X-A,-1,-1):
		for y in R(Y-B,-1,-1):d[x+A][y+B]=max(d[x+A][y+B],d[x][y]+C)
a=0
for x in R(X+1):
	for y in R(Y+1):a=max(a,d[x][y])
print(a)